APA (7th ed.) Citation

Cummings, H., Macaulay, R., Traub, J., & Upson, W. H. (2009). Earthworm tractors (1936): Shooting script ([1st electronic ed.].). Alexander Street Press.

Chicago Style (17th ed.) Citation

Cummings, Hugh, Richard Macaulay, Joe Traub, and William Hazlett Upson. Earthworm Tractors (1936): Shooting Script. [1st electronic ed.]. Alexandria, VA: Alexander Street Press, 2009.

MLA (9th ed.) Citation

Cummings, Hugh, et al. Earthworm Tractors (1936): Shooting Script. [1st electronic ed.]. Alexander Street Press, 2009.