Cita APA (7a ed.)

HOPSON, J. L. (1990). Study Guide To Accompany Essential Of Biology. McGraw-Hill.

Cita Chicago Style (17a ed.)

HOPSON, Janet L. Study Guide To Accompany Essential Of Biology. McGraw-Hill, 1990.

Cita MLA (8a ed.)

HOPSON, Janet L. Study Guide To Accompany Essential Of Biology. McGraw-Hill, 1990.