Franklin

MLA

Calvert, Philip Powell. The Present State of Our Knowledge of the Odonata of Mexico and Central America. [New York], 1908.

APA

Calvert, P. Powell. (1908). The present state of our knowledge of the Odonata of Mexico and Central America. [New York].

Chicago

Calvert, Philip Powell, The Present State of Our Knowledge of the Odonata of Mexico and Central America. [New York], 1908.