APA (7th ed.) Citation

Ernzen, P. a., (curator), I. S. U. S. C. a. U. A., & Poggensee, D. (1993). Field notes contributed by Peter Ernzen, fall 1993.

Chicago Style (17th ed.) Citation

Ernzen, Peteret al, Iowa State University. Special Collections and University Archives (curator), and Don Poggensee. Field Notes Contributed by Peter Ernzen, Fall 1993. 1993.

MLA (9th ed.) Citation

Ernzen, Peteret al, et al. Field Notes Contributed by Peter Ernzen, Fall 1993. 1993.