Cita APA

Hermann, F. J. (1970). Manual of the Genus Carex in México and Central America. Washington, D. C.: U.S. Department of Agriculture.

Citación estilo Chicago

Hermann, Frederick J. Manual of the Genus Carex in México and Central America. Washington, D. C.: U.S. Department of Agriculture, 1970.

Cita MLA

Hermann, Frederick J. Manual of the Genus Carex in México and Central America. Washington, D. C.: U.S. Department of Agriculture, 1970.