APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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