APA

Hobbs H. H., . (1940). A contribution toward a knowledge of the crayfishes of Florida. : .

Chicago

Hobbs Horton Holcombe, . 1940. A contribution toward a knowledge of the crayfishes of Florida. : .

Harvard

Hobbs H. H., . (1940). A contribution toward a knowledge of the crayfishes of Florida. : .

MLA

Hobbs Horton Holcombe, . A contribution toward a knowledge of the crayfishes of Florida. : . 1940.