APA (7th ed.) Citation

Royden, H. L. (1968). Real analysis (2nd ed.). MacMillan [etc.].

Chicago Style (17th ed.) Citation

Royden, H. L. Real Analysis. 2nd ed. New York [etc.]: MacMillan [etc.], 1968.

MLA (9th ed.) Citation

Royden, H. L. Real Analysis. 2nd ed. MacMillan [etc.], 1968.