APA (7th ed.) Citation

Kirk, D. (1975). Biology today (2nd ed.). CRM.

Chicago Style (17th ed.) Citation

Kirk, David. Biology Today. 2nd ed. [Del Mar, Calif.]: CRM, 1975.

MLA (9th ed.) Citation

Kirk, David. Biology Today. 2nd ed. CRM, 1975.

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