APA (7th ed.) Citation

Gelbaum, B. R. (1992). Problems in real and complex analysis. Springer.

Chicago Style (17th ed.) Citation

Gelbaum, Bernard R. Problems in Real and Complex Analysis. New York u.a: Springer, 1992.

MLA (9th ed.) Citation

Gelbaum, Bernard R. Problems in Real and Complex Analysis. Springer, 1992.