APA (7th ed.) Citation

Verhoek, S., & Cuthbert, M. (1982). How to know the spring flowers (2nd ed.). WCB/McGraw-Hill.

Chicago Style (17th ed.) Citation

Verhoek, Susan, and Mabel-Jaques Cuthbert. How to Know the Spring Flowers. 2nd ed. Boston: WCB/McGraw-Hill, 1982.

MLA (8th ed.) Citation

Verhoek, Susan, and Mabel-Jaques Cuthbert. How to Know the Spring Flowers. 2nd ed. WCB/McGraw-Hill, 1982.