APA (7th ed.) Citation

Wilf, H. S., & Nijenhuis, A. (1989). Combinatorial algorithms, an update. Society for Industrial and Applied Mathematics.

Chicago Style (17th ed.) Citation

Wilf, Herbert S., and Albert Nijenhuis. Combinatorial Algorithms, an Update. Philadelphia: Society for Industrial and Applied Mathematics, 1989.

MLA (9th ed.) Citation

Wilf, Herbert S., and Albert Nijenhuis. Combinatorial Algorithms, an Update. Society for Industrial and Applied Mathematics, 1989.