Cita APA (7a ed.)

Freeman, S. (2005). Biological science (2nd edition.). Prentice-Hall, Inc.

Cita Chicago Style (17a ed.)

Freeman, Scott. Biological Science. 2nd edition. Upper Saddle River, New Jersey: Prentice-Hall, Inc, 2005.

Cita MLA (9a ed.)

Freeman, Scott. Biological Science. 2nd edition. Prentice-Hall, Inc, 2005.