Cita APA

Krogh, D. (2000). Biology: A guide to the natural world. Prentice-Hall.

Chicago Style Citation

Krogh, David. Biology: A Guide to the Natural World. Prentice-Hall, 2000.

Cita MLA

Krogh, David. Biology: A Guide to the Natural World. Prentice-Hall, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.