APA (7th ed.) Citation

Hale, M. E. J. (1975). A monograph of the lichen genus Relicina (Parmeliaceae). Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Hale, Mason E. Jr. A Monograph of the Lichen Genus Relicina (Parmeliaceae). City of Washington: Smithsonian Institution Press, 1975.

MLA (9th ed.) Citation

Hale, Mason E. Jr. A Monograph of the Lichen Genus Relicina (Parmeliaceae). Smithsonian Institution Press, 1975.