Cita APA (7a ed.)

Yocum, L. E. (1937). Visual outline of botany. Longmans, Green and Co..

Cita Chicago Style (17a ed.)

Yocum, L. Edwin. Visual Outline of Botany. New York : Toronto: Longmans, Green and Co., 1937.

Cita MLA (8a ed.)

Yocum, L. Edwin. Visual Outline of Botany. Longmans, Green and Co., 1937.