APA (7th ed.) Citation

Ryser, H. J. (1963). Combinatorial mathematics (6. print.). Math. Assoc. of America.

Chicago Style (17th ed.) Citation

Ryser, Herbert J. Combinatorial Mathematics. 6. print. Washington: Math. Assoc. of America, 1963.

MLA (9th ed.) Citation

Ryser, Herbert J. Combinatorial Mathematics. 6. print. Math. Assoc. of America, 1963.

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