APA (7th ed.) Citation

Cummins, R. L. a., (curator), I. S. U. S. C. a. U. A., Kent, T. H., & Kleen, V. M. (1979). Documentation of bird sightings by Raymond Cummins, 1979.

Chicago Style (17th ed.) Citation

Cummins, Raymond L.et al, Iowa State University. Special Collections and University Archives (curator), Thomas H. Kent, and Vernon M. Kleen. Documentation of Bird Sightings by Raymond Cummins, 1979. 1979.

MLA (9th ed.) Citation

Cummins, Raymond L.et al, et al. Documentation of Bird Sightings by Raymond Cummins, 1979. 1979.