Cita APA (7a ed.)

Purcell, E. J., & Varberg, D. E. (1984). Calculus with analytic geometry (Fourth edition.). Prentice-Hall, Inc.

Cita Chicago Style (17a ed.)

Purcell, Edwin J., y Dale E. Varberg. Calculus with Analytic Geometry. Fourth edition. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1984.

Cita MLA (9a ed.)

Purcell, Edwin J., y Dale E. Varberg. Calculus with Analytic Geometry. Fourth edition. Prentice-Hall, Inc, 1984.