APA (7th ed.) Citation

LANG, S. (1976). Introduction to modular forms. Springer-Verlag.

Chicago Style (17th ed.) Citation

LANG, Serge. Introduction to Modular Forms. Barlin, Heidelberg: Springer-Verlag, 1976.

MLA (9th ed.) Citation

LANG, Serge. Introduction to Modular Forms. Springer-Verlag, 1976.