A monograph of the lichen genus Bulbothrix Hale (Parmeliaceae)

MLA

Hale, Mason E. and Smithsonian Institution. A monograph of the lichen genus Bulbothrix Hale (Parmeliaceae). City of Washington : Smithsonian Institution Press, 1976.

APA

Hale, M. & Smithsonian Institution. (1976). A monograph of the lichen genus Bulbothrix Hale (Parmeliaceae). City of Washington : Smithsonian Institution Press.

Chicago

Hale, Mason E. and Smithsonian Institution. A monograph of the lichen genus Bulbothrix Hale (Parmeliaceae). City of Washington : Smithsonian Institution Press, 1976.