Cita APA (7th ed.)

Pratt, H. S. (1935). A manual of the common invertebrate animals: Exclusive of insects. McGraw-Hill.

Cita Chicago (17th ed.)

Pratt, Henry Sherring. A Manual of the Common Invertebrate Animals: Exclusive of Insects. New York, USA: McGraw-Hill, 1935.

Cita MLA (9th ed.)

Pratt, Henry Sherring. A Manual of the Common Invertebrate Animals: Exclusive of Insects. McGraw-Hill, 1935.