Citace podle APA (7th ed.)
Conference on the National Archives and Research in Historical Geography ( Washington, EUA), & Ehrenberg, R. E. Pattern and Process: V. 9 : Research in Historical Geography. Howard University Press.
Citace podle Chicago (17th ed.)
Conference on the National Archives and Research in Historical Geography ( Washington, EUA), a Ralph E. Ehrenberg. Pattern and Process: V. 9 : Research in Historical Geography. Washington, EUA: Howard University Press.
Citace podle MLA (9th ed.)
Conference on the National Archives and Research in Historical Geography ( Washington, EUA), a Ralph E. Ehrenberg. Pattern and Process: V. 9 : Research in Historical Geography. Howard University Press.
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