APA (7th ed.) Citation

Postlethwait, J. H. (2012). The world of biology (Philippine ed.). Cengage Learning Asia Pte. Ltd.

Chicago Style (17th ed.) Citation

Postlethwait, John H. The World of Biology. Philippine ed. Singapore: Cengage Learning Asia Pte. Ltd, 2012.

MLA (9th ed.) Citation

Postlethwait, John H. The World of Biology. Philippine ed. Cengage Learning Asia Pte. Ltd, 2012.