Cita APA (7th ed.)
Janssen, R. B. (1987). Birds in Minnesota. Published by the University of Minnesota Press for the James Ford Bell Museum of Natural History.
Cita Chicago (17th ed.)
Janssen, Robert B. Birds in Minnesota. Minneapolis, MN: Published by the University of Minnesota Press for the James Ford Bell Museum of Natural History, 1987.
Cita MLA (9th ed.)
Janssen, Robert B. Birds in Minnesota. Published by the University of Minnesota Press for the James Ford Bell Museum of Natural History, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.