Cita APA

Callenbach, E. A. (2004). Ecology: A pocket guide.

Citación estilo Chicago

Callenbach, Ernest; Author. Ecology: A Pocket Guide. Hyderabad, Universities Press (India) Ltd, 2004.

Cita MLA

Callenbach, Ernest; Author. Ecology: A Pocket Guide. 2004.

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