APA (7th ed.) Citation

Bold, H. C. (1977). The plant kingdom (4th ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Bold, Harold Charles. The Plant Kingdom. 4th ed. Englewood Cliffs, N.J: Prentice-Hall, 1977.

MLA (9th ed.) Citation

Bold, Harold Charles. The Plant Kingdom. 4th ed. Prentice-Hall, 1977.