Citação norma APA

Warntz, W. (1964). Geography now and then : some notes on: The history of academic geography in the. American Geographical society.

Citação norma Chicago

Warntz, William. Geography Now and Then : Some Notes on: The History of Academic Geography in the. New York: American Geographical society, 1964.

Citação norma MLA

Warntz, William. Geography Now and Then : Some Notes on: The History of Academic Geography in the. American Geographical society, 1964.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.