APA (7 वां संस्करण) प्रशस्ति पत्र
Spratling, W., Ekholm, G. F., Medellín Zenil, A., & Alvarez Bravo, M. (1960). More human than divine: An intimate and lively self-portrait in clay of a smiling people from ancient Veracruz (First edition in english.). Universidad Nacional Autónoma de México.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Spratling, William, Gordon F. Ekholm, Alfonso Medellín Zenil, और Manuel Alvarez Bravo. More Human than Divine: An Intimate and Lively Self-portrait in Clay of a Smiling People from Ancient Veracruz. First edition in english. México: Universidad Nacional Autónoma de México, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Spratling, William, et al. More Human than Divine: An Intimate and Lively Self-portrait in Clay of a Smiling People from Ancient Veracruz. First edition in english. Universidad Nacional Autónoma de México, 1960.
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