APA

Powell J. A., Rathbun G. B., .Distribution and abundance of manatees along the northern coast of the Gulf of Mexico. : .

Chicago

Powell James A, Rathbun Galen B, .Distribution and abundance of manatees along the northern coast of the Gulf of Mexico. : .

Harvard

Powell J. A., Rathbun G. B., .Distribution and abundance of manatees along the northern coast of the Gulf of Mexico. : .

MLA

Powell James A, Rathbun Galen B, .: . .