Cite Them Right 11th edition - Harvard

Sorana Bolboacă A, Lorentz Jäntschi B, Andrei Achimaş Cadariu A, Sorana Bolboacă, Lorentz Jäntschi, Andrei Achimaş Cadariu and The Pennsylvania State University Cite Seer X Archives (no date) “SQL by Example. 2. PHP and My SQL Web Application based on Tanner-Whitehouse Standard”, http://lori.academicdirect.org/works/?f=25 [Preprint].

Chicago Manual of Style 17th edition (full note)

Sorana Bolboacă A, Lorentz Jäntschi B, Andrei Achimaş Cadariu A, Sorana Bolboacă, Lorentz Jäntschi, Andrei Achimaş Cadariu, and The Pennsylvania State University Cite Seer X Archives. “SQL by Example. 2. PHP and My SQL Web Application Based on Tanner-Whitehouse Standard”. http://lori.academicdirect.org/works/?F=25, n.d.

American Psychological Association 7th edition

Sorana Bolboacă A, Lorentz Jäntschi B, Andrei Achimaş Cadariu A, Sorana Bolboacă, Lorentz Jäntschi, Andrei Achimaş Cadariu, & The Pennsylvania State University Cite Seer X Archives. (n.d.). SQL by Example. 2. PHP and My SQL Web Application based on Tanner-Whitehouse Standard. http://lori.academicdirect.org/works/?F=25.

Modern Language Association 9th edition

Sorana Bolboacă A, Lorentz Jäntschi B, Andrei Achimaş Cadariu A, Sorana Bolboacă, Lorentz Jäntschi, Andrei Achimaş Cadariu, and The Pennsylvania State University Cite Seer X Archives. “SQL by Example. 2. PHP and My SQL Web Application Based on Tanner-Whitehouse Standard”. http://lori.academicdirect.org/works/?F=25.

ISO-690 (author-date, Deutsch)

SORANA BOLBOACĂ A, LORENTZ JÄNTSCHI B, ANDREI ACHIMAŞ CADARIU A, SORANA BOLBOACĂ, LORENTZ JÄNTSCHI, ANDREI ACHIMAŞ CADARIU and THE PENNSYLVANIA STATE UNIVERSITY CITESEERX ARCHIVES, [kein Datum]. SQL by Example. 2. PHP and My SQL Web Application based on Tanner-Whitehouse Standard. http://lori.academicdirect.org/works/?f=25

Warning: These citations may not always be 100% accurate.