APA (7th ed.) Citation

Brualdi, R. A. (1982). Introductory combinatorics (5. print.). North-Holland.

Chicago Style (17th ed.) Citation

Brualdi, Richard A. Introductory Combinatorics. 5. print. New York, NY: North-Holland, 1982.

MLA (9th ed.) Citation

Brualdi, Richard A. Introductory Combinatorics. 5. print. North-Holland, 1982.