APA (7th ed.) Citation

Hale, M. E. (1969). How to know the lichens. W. C. Brown Co..

Chicago Style (17th ed.) Citation

Hale, Mason E. How to Know the Lichens. Dubuque, Iowa: W. C. Brown Co., 1969.

MLA (9th ed.) Citation

Hale, Mason E. How to Know the Lichens. W. C. Brown Co., 1969.