APA (7th ed.) Citation

Freitag, E., & Busam, R. (2005). Complex analysis (English ed.). Springer. https://doi.org/10.1007/3-540-30823-7

Chicago Style (17th ed.) Citation

Freitag, E., and Rolf Busam. Complex Analysis. English ed. Berlin ; New York: Springer, 2005. https://doi.org/10.1007/3-540-30823-7.

MLA (9th ed.) Citation

Freitag, E., and Rolf Busam. Complex Analysis. English ed. Springer, 2005. https://doi.org/10.1007/3-540-30823-7.