APA (7th ed.) Citation

Viereck, L. A., & Little, E. L. (1974). Guide to Alaska trees.

Chicago Style (17th ed.) Citation

Viereck, Leslie A., and Elbert Luther Little. Guide to Alaska Trees. Washington, DC, 1974.

MLA (9th ed.) Citation

Viereck, Leslie A., and Elbert Luther Little. Guide to Alaska Trees. 1974.