APA (7th ed.) Citation

Erd~os, P., Baker, A., Bollobas, B., & Hajnal, A. (1990). A Tribute to Paul Erd~os. Cambridge University Press.

Chicago Style (17th ed.) Citation

Erd~os, Paul, Alan Baker, Bela Bollobas, and A. Hajnal. A Tribute to Paul Erd~os. Cambridge [England] ; New York: Cambridge University Press, 1990.

MLA (8th ed.) Citation

Erd~os, Paul, et al. A Tribute to Paul Erd~os. Cambridge University Press, 1990.