Pratt, H. S. (1935). A manual of the common invertebrate animals: Exclusive of insects. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Pratt, Henry Sherring. A Manual of the Common Invertebrate Animals: Exclusive of Insects. New York, USA: McGraw-Hill, 1935.
Citatione MLA (9a ed.)Pratt, Henry Sherring. A Manual of the Common Invertebrate Animals: Exclusive of Insects. McGraw-Hill, 1935.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.