APA

Pennisi L. L., Gordon L. I. & Lasher S. (1963). Elements of complex variables. New York: Rinehart and Winston.

Chicago

Pennisi Louis L, Gordon Louis I and Lasher Sim. 1963. Elements of complex variables. New York: Rinehart and Winston.

Harvard

Pennisi L. L., Gordon L. I. and Lasher S. (1963). Elements of complex variables. New York: Rinehart and Winston.

MLA

Pennisi Louis L, Gordon Louis I and Lasher Sim. Elements of complex variables. New York: Rinehart and Winston. 1963.