Cita APA (7a ed.)

Gregory, W. H., & Goldman, E. H. (1971). Teachers manual to accompany Biological science, revised edition. Ginn and Co..

Cita Chicago Style (17a ed.)

Gregory, William H., y Edward H. Goldman. Teachers Manual to Accompany Biological Science, Revised Edition. [Lexington, Mass.]: Ginn and Co., 1971.

Cita MLA (8a ed.)

Gregory, William H., y Edward H. Goldman. Teachers Manual to Accompany Biological Science, Revised Edition. Ginn and Co., 1971.