APA (7th ed.) Citation

Pennisi, L. L. (1963). Elements of complex variables. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Pennisi, Louis L. Elements of Complex Variables. New York, NY [u.a.]: Holt, Rinehart and Winston, 1963.

MLA (9th ed.) Citation

Pennisi, Louis L. Elements of Complex Variables. Holt, Rinehart and Winston, 1963.