APA (7th ed.) Citation

Ehrenfeucht, A., Parikh, R., & Rozenberg, G. (1980). Pumping lemmas regular sets. Mass. Inst. of Technology, Laboratory for Computer Science.

Chicago Style (17th ed.) Citation

Ehrenfeucht, Andrzej, Rohit Parikh, and Grzegorz Rozenberg. Pumping Lemmas Regular Sets. Cambridge, Mass: Mass. Inst. of Technology, Laboratory for Computer Science, 1980.

MLA (9th ed.) Citation

Ehrenfeucht, Andrzej, et al. Pumping Lemmas Regular Sets. Mass. Inst. of Technology, Laboratory for Computer Science, 1980.