Lua APA (7ú heag.)

Coletta, P. E. (1970). Threshold to American internationalism: Essays on the foreign policies of William McKinley. Exposition Press.

Lua i Stíl Chicago (17ú heag.)

Coletta, Paolo E. Threshold to American Internationalism: Essays on the Foreign Policies of William McKinley. New York: Exposition Press, 1970.

Lua MLA (9ú heag.)

Coletta, Paolo E. Threshold to American Internationalism: Essays on the Foreign Policies of William McKinley. Exposition Press, 1970.

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