APA (7th ed.) Citation

Smith, G. M. (1938). Cryptogamic botany (1. ed., 6. impr.). McGraw-Hill Book Co.

Chicago Style (17th ed.) Citation

Smith, Gilbert Morgan. Cryptogamic Botany. 1. ed., 6. impr. New York [u.a.]: McGraw-Hill Book Co, 1938.

MLA (9th ed.) Citation

Smith, Gilbert Morgan. Cryptogamic Botany. 1. ed., 6. impr. McGraw-Hill Book Co, 1938.