Cita APA (7a ed.)
Paddock, J. Teotihuacán, Tepeapulco, and Obsidian exploitation.
Cita Chicago Style (17a ed.)
Paddock, John. Teotihuacán, Tepeapulco, and Obsidian Exploitation.
Cita MLA (9a ed.)
Paddock, John. Teotihuacán, Tepeapulco, and Obsidian Exploitation.
警告：这些引文格式不一定是100％准确.