APA (7th ed.) Citation

Spiegel, M. R., & Rodriguez Buitrago, C. J. (1991). Variable compleja (1a. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Spiegel, Murray R., and Carlos J. Rodriguez Buitrago. Variable Compleja. 1a. ed. México: McGraw-Hill, 1991.

MLA (9th ed.) Citation

Spiegel, Murray R., and Carlos J. Rodriguez Buitrago. Variable Compleja. 1a. ed. McGraw-Hill, 1991.