APA (7th ed.) Citation

Cohn, T. J., & Cantrall, I. J. (1974). Variation and speciation in the grasshoppers of the Conalcaeini (Orthoptera, Acrididae, Melanoplinae) the lowland forms of western Mexico, the genus Barytettix. San Diego Society of Natural History.

Chicago Style (17th ed.) Citation

Cohn, Theodore J., and Irving J. Cantrall. Variation and Speciation in the Grasshoppers of the Conalcaeini (Orthoptera, Acrididae, Melanoplinae) the Lowland Forms of Western Mexico, the Genus Barytettix. [San Diego]: San Diego Society of Natural History, 1974.

MLA (9th ed.) Citation

Cohn, Theodore J., and Irving J. Cantrall. Variation and Speciation in the Grasshoppers of the Conalcaeini (Orthoptera, Acrididae, Melanoplinae) the Lowland Forms of Western Mexico, the Genus Barytettix. San Diego Society of Natural History, 1974.