APA (7th ed.) Citation

Boas, R. P. (1972). A primer of real functions ([2d ed.). Mathematical Association of America.

Chicago Style (17th ed.) Citation

Boas, Ralph P. A Primer of Real Functions. [2d ed. Washington]: Mathematical Association of America, 1972.

MLA (8th ed.) Citation

Boas, Ralph P. A Primer of Real Functions. [2d ed. Mathematical Association of America, 1972.