APA (7th ed.) Citation

Hale, M. E. (1976). A monograph of the lichen genus Parmelina Hale (Parmeliaceae). Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Hale, Mason E. A Monograph of the Lichen Genus Parmelina Hale (Parmeliaceae). Washington: Smithsonian Institution Press, 1976.

MLA (9th ed.) Citation

Hale, Mason E. A Monograph of the Lichen Genus Parmelina Hale (Parmeliaceae). Smithsonian Institution Press, 1976.