Cita APA (7a ed.)

Natanson, I. P., Boron, L. F., & Hewitt, E. (1974). Theory of functions of a real variable ([4th printing].). Ungar.

Cita Chicago Style (17a ed.)

Natanson, I. P., Leo F. Boron, y Edwin Hewitt. Theory of Functions of a Real Variable. [4th printing]. New York: Ungar, 1974.

Cita MLA (9a ed.)

Natanson, I. P., et al. Theory of Functions of a Real Variable. [4th printing]. Ungar, 1974.