Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Bold, Harold C. Morphology of Plants. 3rd ed. New York [etc.]: Harper & Row, 1973.

Cita MLA (9a ed.)

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