Cita APA

Smith, G. M. (1955). Cryptogamic botany (2d ed.). McGraw-Hill.

Citación estilo Chicago

Smith, Gilbert Morgan. Cryptogamic Botany. 2d ed. New York: McGraw-Hill, 1955.

Cita MLA

Smith, Gilbert Morgan. Cryptogamic Botany. 2d ed. McGraw-Hill, 1955.