APA (7th ed.) Citation

Gelfand, S. I. (1969). Sequences and combinatorial problems (Rev. ed.). Gordon and Breach.

Chicago Style (17th ed.) Citation

Gelfand, S. I. Sequences and Combinatorial Problems. Rev. ed. New York: Gordon and Breach, 1969.

MLA (9th ed.) Citation

Gelfand, S. I. Sequences and Combinatorial Problems. Rev. ed. Gordon and Breach, 1969.