Cite Them Right 11th edition - Harvard

Kopal, N. (2018) Secure volunteer computing for distributed cryptanalysis [book]. kassel university press.

Chicago Manual of Style 17th edition (full note)

Kopal, Nils. “Secure volunteer computing for distributed cryptanalysis”. Book. kassel university press, [2018?], kassel university press, [2018?].

American Psychological Association 7th edition

Kopal, N. (ca. 2018). Secure volunteer computing for distributed cryptanalysis [Book]. kassel university press.

Modern Language Association 9th edition

Kopal, N. Secure volunteer computing for distributed cryptanalysis. book, kassel university press, 2018.

ISO-690 (author-date, Deutsch)

KOPAL, Nils, 2018. Secure volunteer computing for distributed cryptanalysis. Kassel: kassel university press

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