Cita APA

Tinsley Keeton, W. (1993). Biological science. New York: Norton.

Chicago Style Citation

Tinsley Keeton, William. Biological Science. New York: Norton, 1993.

Cita MLA

Tinsley Keeton, William. Biological Science. New York: Norton, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.