Franklin

MLA

Frings, Hubert, and Mable Frings. Animal Communication. 2d ed., rev. and enl. Norman: University of Oklahoma Press, 1977.

APA

Frings, H., & Frings, M. (1977). Animal communication. 2d ed., rev. and enl. Norman: University of Oklahoma Press.

Chicago

Frings, Hubert, and Mable Frings. Animal Communication. 2d ed., rev. and enl. Norman: University of Oklahoma Press, 1977.