APA (7th ed.) Citation

Natanson, I. P. (1955). Theory of functions of a real variable. Ungar.

Chicago Style (17th ed.) Citation

Natanson, Isidor Pavlovich. Theory of Functions of a Real Variable. New York: Ungar, 1955.

MLA (9th ed.) Citation

Natanson, Isidor Pavlovich. Theory of Functions of a Real Variable. Ungar, 1955.

Warning: These citations may not always be 100% accurate.