APA (7th ed.) Citation

Pólya, G., Tarjan, R. E., & Woods, D. R. (1983). Notes on introductory combinatorics. Birkhäuser.

Chicago Style (17th ed.) Citation

Pólya, George, Robert E. Tarjan, and Donald R. Woods. Notes on Introductory Combinatorics. Boston [etc.]: Birkhäuser, 1983.

MLA (9th ed.) Citation

Pólya, George, et al. Notes on Introductory Combinatorics. Birkhäuser, 1983.