APA aipamena

Haskel, S., & Sygoda, D. (1977). Contemporary Biology. Amsco School Publications, Inc.

Chicago Style aipamena

Haskel, Sebastian, and David Sygoda. Contemporary Biology. New York, NY: Amsco School Publications, Inc, 1977.

MLA aipamena

Haskel, Sebastian, and David Sygoda. Contemporary Biology. Amsco School Publications, Inc, 1977.