Cita APA (7a ed.)

Steen, E. B. (1971). Dictionary of biology. Barnes & Noble.

Cita Chicago Style (17a ed.)

Steen, Edwin B. Dictionary of Biology. New York [u.a.]: Barnes & Noble, 1971.

Cita MLA (8a ed.)

Steen, Edwin B. Dictionary of Biology. Barnes & Noble, 1971.