APA (7th ed.) Citation

Erdos, P., & Spencer, J. H. j. a. (1974). Probabilistic methods in combinators. Academic Press.

Chicago Style (17th ed.) Citation

Erdos, Paul, and Joel H. joint author Spencer. Probabilistic Methods in Combinators. New York: Academic Press, 1974.

MLA (9th ed.) Citation

Erdos, Paul, and Joel H. joint author Spencer. Probabilistic Methods in Combinators. Academic Press, 1974.