Cita APA (7th ed.)
(1924). Contributions from the museum of geology, university of Michigan.
Cita Chicago (17th ed.)
Contributions from the Museum of Geology, University of Michigan. New York, 1924.
Cita MLA (9th ed.)
Contributions from the Museum of Geology, University of Michigan. 1924.
Atenció: Aquestes cites poden no estar 100% correctes.