Cita APA (7th ed.)
Chaloner, W. G. (1954). Mississippian Megaspores from Michigan and adjacent states.
Cita Chicago (17th ed.)
Chaloner, William G. Mississippian Megaspores from Michigan and Adjacent States. Ann Arbor, 1954.
Cita MLA (9th ed.)
Chaloner, William G. Mississippian Megaspores from Michigan and Adjacent States. 1954.
Atenció: Aquestes cites poden no estar 100% correctes.