Cita APA (7th ed.)

GEISSMAN, T. (1959). Principles of organic chemistry. Freeman.

Cita Chicago (17th ed.)

GEISSMAN, T.A. Principles of Organic Chemistry. San Francisco: Freeman, 1959.

Cita MLA (9th ed.)

GEISSMAN, T.A. Principles of Organic Chemistry. Freeman, 1959.