APA (7th ed.) Citation

Petersen, P. C. a., (curator), I. S. U. S. C. a. U. A., Moeller, D. W., & Sandvick, G. (1985). Field reports form, contributed by Peter C. Petersen, spring 1985.

Chicago Style (17th ed.) Citation

Petersen, Peter C.et al, Iowa State University. Special Collections and University Archives (curator), Donald W. Moeller, and Gil Sandvick. Field Reports Form, Contributed by Peter C. Petersen, Spring 1985. 1985.

MLA (9th ed.) Citation

Petersen, Peter C.et al, et al. Field Reports Form, Contributed by Peter C. Petersen, Spring 1985. 1985.