APA (7th ed.) Zitazioa
Himstead, R. E. (1940). Bulletin of the American association of university professors.
Chicago Style (17th ed.) Zitazioa
Himstead, Ralph E. Bulletin of the American Association of University Professors. Washington, 1940.
MLA (9th ed.) Zitazioa
Himstead, Ralph E. Bulletin of the American Association of University Professors. 1940.
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