APA

Hoffman F. M., .Distribution and status of manatees (<Trichechus manatus>) in Panama. : .

Chicago

Hoffman Forrest M, .Distribution and status of manatees (<Trichechus manatus>) in Panama. : .

Harvard

Hoffman F. M., .Distribution and status of manatees (<Trichechus manatus>) in Panama. : .

MLA

Hoffman Forrest M, .: . .