Cita APA (7a ed.)

Weed Science Society of America. (1968). Weed science. WSSA.

Cita Chicago Style (17a ed.)

Weed Science Society of America. Weed Science. Lawrence: WSSA, 1968.

Cita MLA (8a ed.)

Weed Science Society of America. Weed Science. WSSA, 1968.