APA (7th ed.) Citation

Krohne, D. T. (2012). General ecology (2nd ed.). Cengage Learning Asia Pte Ltd.

Chicago Style (17th ed.) Citation

Krohne, David T. General Ecology. 2nd ed. Singapore, Singapore: Cengage Learning Asia Pte Ltd, 2012.

MLA (9th ed.) Citation

Krohne, David T. General Ecology. 2nd ed. Cengage Learning Asia Pte Ltd, 2012.