Cita APA (7a ed.)

Bold, H. C. (1964). The plant kingdom (2nd ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Bold, Harold Charles. The Plant Kingdom. 2nd ed. Englewood: Prentice-Hall, 1964.

Cita MLA (9a ed.)

Bold, Harold Charles. The Plant Kingdom. 2nd ed. Prentice-Hall, 1964.