Cita APA (7th ed.)

Widder, D. V. (1989). Advanced Calculus (2nd ed.). Modern Book Centre.

Cita Chicago (17th ed.)

Widder, D. V. Advanced Calculus. 2nd ed. Englewood Cliffs: Modern Book Centre, 1989.

Cita MLA (9th ed.)

Widder, D. V. Advanced Calculus. 2nd ed. Modern Book Centre, 1989.