APA (7th ed.) Citation

Bold, Η. C. (1964). The plant kingdom (2nd edition.). Prentice - Hall, inc.

Chicago Style (17th ed.) Citation

Bold, Ηarold C. The Plant Kingdom. 2nd edition. Englewood Cliffs: Prentice - Hall, inc, 1964.

MLA (8th ed.) Citation

Bold, Ηarold C. The Plant Kingdom. 2nd edition. Prentice - Hall, inc, 1964.