Cita APA

Smith, G. M. (1971). Cryptogamic botany (2nd ed.). McGraw-Hill.

Citación estilo Chicago

Smith, Gilbert M. Cryptogamic Botany. 2nd ed. New Delhi: McGraw-Hill, 1971.

Cita MLA

Smith, Gilbert M. Cryptogamic Botany. 2nd ed. McGraw-Hill, 1971.