Cita APA (7th ed.)

Soper, E. (1993). Philosophy of biology. Univ Pr..

Cita Chicago (17th ed.)

Soper, Elliott. Philosophy of Biology. Oxford: Univ Pr., 1993.

Cita MLA (9th ed.)

Soper, Elliott. Philosophy of Biology. Univ Pr., 1993.

Atenció: Aquestes cites poden no estar 100% correctes.