APA (7th ed.) Citation

Nuttall, Z. (2010). The Fundamental Principles of Old and New World Civilizations A Comparative Research Based on a Study of the Ancient Mexican Religious, Sociological, and Calendrical Systems. Project Gutenberg.

Chicago Style (17th ed.) Citation

Nuttall, Zelia. The Fundamental Principles of Old and New World Civilizations A Comparative Research Based on a Study of the Ancient Mexican Religious, Sociological, and Calendrical Systems. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Nuttall, Zelia. The Fundamental Principles of Old and New World Civilizations A Comparative Research Based on a Study of the Ancient Mexican Religious, Sociological, and Calendrical Systems. Project Gutenberg, 2010.

Warning: These citations may not always be 100% accurate.