APA (7th ed.) Citation

Erdős, P., & Graham, R. L. (1980). Old and new problems and results in combinatorial number theory. L'Enseignement mathematique, Universite de Geneve.

Chicago Style (17th ed.) Citation

Erdős, Paul, and R. L. Graham. Old and New Problems and Results in Combinatorial Number Theory. Geneve: L'Enseignement mathematique, Universite de Geneve, 1980.

MLA (9th ed.) Citation

Erdős, Paul, and R. L. Graham. Old and New Problems and Results in Combinatorial Number Theory. L'Enseignement mathematique, Universite de Geneve, 1980.