APA (7th ed.) Citation

Emmel, T. C., & Hofmann, L. (1977). Global perspectives on ecology. Mayfield Pub.

Chicago Style (17th ed.) Citation

Emmel, Thomas C., and Lieselotte Hofmann. Global Perspectives on Ecology. Palo Alto, Calif: Mayfield Pub, 1977.

MLA (9th ed.) Citation

Emmel, Thomas C., and Lieselotte Hofmann. Global Perspectives on Ecology. Mayfield Pub, 1977.