Cita APA (7th ed.)

Lang, S. (1973). Calculus of several variables. Addison-Wesley.

Cita Chicago (17th ed.)

Lang, Serge. Calculus of Several Variables. Reading, Mass: Addison-Wesley, 1973.

Cita MLA (9th ed.)

Lang, Serge. Calculus of Several Variables. Addison-Wesley, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.