APA (7th ed.) Citation

Boas, R. P., & Boas, H. P. (1996). A primer of real functions (4th ed.). Mathematical Association of America.

Chicago Style (17th ed.) Citation

Boas, Ralph P., and Harold P. Boas. A Primer of Real Functions. 4th ed. [Washington, D.C.]: Mathematical Association of America, 1996.

MLA (9th ed.) Citation

Boas, Ralph P., and Harold P. Boas. A Primer of Real Functions. 4th ed. Mathematical Association of America, 1996.