Não informado. (1924). Contributions from the Museum of Geology of the University of Michigan. University of Michigan, Museum of Geology.
Čikaški stil citiranja (17. izdanje)Não informado. Contributions from the Museum of Geology of the University of Michigan. Ann Arbor, Mich: University of Michigan, Museum of Geology, 1924.
MLA način citiranja (8. izdanje)Não informado. Contributions from the Museum of Geology of the University of Michigan. University of Michigan, Museum of Geology, 1924.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.