APA (7th ed.) Citation

SpringerLink (Online service). (1972). Combinatorics: Room Squares, Sum-Free Sets, Hadamard Matrices. Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service). Combinatorics: Room Squares, Sum-Free Sets, Hadamard Matrices. Berlin [u.a.]: Springer, 1972.

MLA (9th ed.) Citation

SpringerLink (Online service). Combinatorics: Room Squares, Sum-Free Sets, Hadamard Matrices. Springer, 1972.

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