Παραπομπή APA

Protter, M. H., & Morrey , C. B. (1991). First course in real analysis (2nd ed.). Springer.

Παραπομπή Chicago Style

Protter, M. H., και C. B. Morrey. First Course in Real Analysis. 2nd ed. New York: Springer, 1991.

Παραπομπή MLA

Protter, M. H., και C. B. Morrey. First Course in Real Analysis. 2nd ed. Springer, 1991.