APA (7th ed.) Citation

Churchill, R. V., & Brown, J. W. (1990). Complex Variables (5th ed.). Pragati Book Centre.

Chicago Style (17th ed.) Citation

Churchill, R. V., and J. W. Brown. Complex Variables. 5th ed. New York: Pragati Book Centre, 1990.

MLA (9th ed.) Citation

Churchill, R. V., and J. W. Brown. Complex Variables. 5th ed. Pragati Book Centre, 1990.