APA (7th ed.) Citation

Churchill, R. V. (1984). Complex variables and applications (4th ed.). National Book Store.

Chicago Style (17th ed.) Citation

Churchill, Ruel Vance. Complex Variables and Applications. 4th ed. Manila: National Book Store, 1984.

MLA (9th ed.) Citation

Churchill, Ruel Vance. Complex Variables and Applications. 4th ed. National Book Store, 1984.