APA stil citiranja

Barrett, A. J. (1995). Proteolytic enzymes: Proteolytic enzymes : aspartatic and metallo peptydases. San Diego [etc.]: Academic Press.

Chicago stil citiranja

Barrett, Alan J. Proteolytic enzymes: Proteolytic enzymes : aspartatic and metallo peptydases. San Diego [etc.]: Academic Press, 1995.

MLA stil citiranja

Barrett, Alan J. Proteolytic enzymes: Proteolytic enzymes : aspartatic and metallo peptydases. San Diego [etc.]: Academic Press, 1995.