APA-referens (7:e uppl.)

Hickman, C. P. J., Robeerts, L. S., Keen, S. L., Eisenhour, D. J., Larson, A., & Anson, H. I. (2014). Integrated principles of zoology (Sixteenth edition.). McGraw-Hill Education.

Chicago-referens (17:e uppl.)

Hickman, Cleveland P. Jr, Larry S. Robeerts, Susan L. Keen, David J. Eisenhour, Allan Larson, och Helen I. Anson. Integrated Principles of Zoology. Sixteenth edition. Dubuque, Iowa: McGraw-Hill Education, 2014.

MLA-referens (9:e uppl.)

Hickman, Cleveland P. Jr, et al. Integrated Principles of Zoology. Sixteenth edition. McGraw-Hill Education, 2014.