APA (7th ed.) Zitazioa
Hollister, C. W., & Hardy, J. D. (1975). River through time: The course of Western civilization. John Wiley & Sons.
Chicago Style (17th ed.) Zitazioa
Hollister, C. Warren, eta James D. Hardy. River Through Time: The Course of Western Civilization. New York: John Wiley & Sons, 1975.
MLA (9th ed.) Zitazioa
Hollister, C. Warren, eta James D. Hardy. River Through Time: The Course of Western Civilization. John Wiley & Sons, 1975.
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