Cita APA (7th ed.)

Soper, R. (1997). Biological Science (3rd ed.). Cambridge University Press.

Cita Chicago (17th ed.)

Soper, R. Biological Science. 3rd ed. United Kingdom: Cambridge University Press, 1997.

Cita MLA (9th ed.)

Soper, R. Biological Science. 3rd ed. Cambridge University Press, 1997.