Cita APA (7a ed.)

Bold, H. C. (1973). Morphology of plants (3rd. ed.). Harper International.

Cita Chicago Style (17a ed.)

Bold, Harold C. Morphology of Plants. 3rd. ed. New York: Harper International, 1973.

Cita MLA (8a ed.)

Bold, Harold C. Morphology of Plants. 3rd. ed. Harper International, 1973.