APA (7th ed.) Citation

Phipps, R. O. a., (curator), I. S. U. S. C. a. U. A., & Halmi, N. S. (1978). Ruth Phipps letter to Nicholas S. Halmi regarding bird watching, February 5, 1978.

Chicago Style (17th ed.) Citation

Phipps, Ruth O.et al, Iowa State University. Special Collections and University Archives (curator), and Nicholas S. Halmi. Ruth Phipps Letter to Nicholas S. Halmi Regarding Bird Watching, February 5, 1978. 1978.

MLA (9th ed.) Citation

Phipps, Ruth O.et al, et al. Ruth Phipps Letter to Nicholas S. Halmi Regarding Bird Watching, February 5, 1978. 1978.