Cita APA (7a ed.)

Thomson, J. W. (1967). The Lichen Genus Cladonia in North America. University of Toronto Press.

Cita Chicago Style (17a ed.)

Thomson, John W. The Lichen Genus Cladonia in North America. [Toronto]: University of Toronto Press, 1967.

Cita MLA (8a ed.)

Thomson, John W. The Lichen Genus Cladonia in North America. University of Toronto Press, 1967.