APA (7th ed.) Citation

Nelson, R. S. (1981). The role of a puchteca system in Hohokam exchange. [publisher not identified].

Chicago Style (17th ed.) Citation

Nelson, Richard S. The Role of a Puchteca System in Hohokam Exchange. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Nelson, Richard S. The Role of a Puchteca System in Hohokam Exchange. [publisher not identified], 1981.