Cita APA

Hale, M. E. (1972). A revision of the lichen genus Hypotrochyna (Parmeliaceae) in tropical America. Washington: Smithsonian Institute Press.

Citación estilo Chicago

Hale, Mason E. A Revision of the Lichen Genus Hypotrochyna (Parmeliaceae) in Tropical America. Washington: Smithsonian Institute Press, 1972.

Cita MLA

Hale, Mason E. A Revision of the Lichen Genus Hypotrochyna (Parmeliaceae) in Tropical America. Washington: Smithsonian Institute Press, 1972.