Cite Them Right 11th edition - Harvard

Thomas Strothotte, Stefan Schlechtweg, Thomas Strothotte and Stefan Schlechtweg (2002) Non-Photorealistic Computer Graphics : Modeling, Rendering, and Animation.

Chicago Manual of Style 17th edition (full note)

Thomas Strothotte, Stefan Schlechtweg, Thomas Strothotte, and Stefan Schlechtweg. Non-Photorealistic Computer Graphics : Modeling, Rendering, and Animation.

American Psychological Association 7th edition

Thomas Strothotte, Stefan Schlechtweg, Thomas Strothotte, & Stefan Schlechtweg. (2002). Non-Photorealistic Computer Graphics : Modeling, Rendering, and Animation.

Modern Language Association 9th edition

Thomas Strothotte, Stefan Schlechtweg, Thomas Strothotte, and Stefan Schlechtweg. Non-Photorealistic Computer Graphics : Modeling, Rendering, and Animation. 2002.

ISO-690 (author-date, Deutsch)

THOMAS STROTHOTTE, STEFAN SCHLECHTWEG, THOMAS STROTHOTTE and STEFAN SCHLECHTWEG, 2002. Non-Photorealistic Computer Graphics : Modeling, Rendering, and Animation

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