APA (7th ed.) Citation

Hedrick, J. (1942). Some Lichens from the American tropics collected by Wm. R. Taylor. (Univ. of Southern California Pr.).

Chicago Style (17th ed.) Citation

Hedrick, Joyce. Some Lichens from the American Tropics Collected by Wm. R. Taylor. (Los Angeles): (Univ. of Southern California Pr.), 1942.

MLA (9th ed.) Citation

Hedrick, Joyce. Some Lichens from the American Tropics Collected by Wm. R. Taylor. (Univ. of Southern California Pr.), 1942.