APA (7th ed.) Citation

Weakland, R. G. (1988). How Medellín and Puebla influenced North America. Origins, 18, 757-760.

Chicago Style (17th ed.) Citation

Weakland, Rembert G. "How Medellín and Puebla Influenced North America." Origins 18 (1988): 757-760.

MLA (8th ed.) Citation

Weakland, Rembert G. "How Medellín and Puebla Influenced North America." Origins, vol. 18, 1988, pp. 757-760.

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