APA (7th ed.) Citation

Gelca, R. a., & Andreescu, T. a. (2007). Putnam and Beyond (1st ed. 2007.). Springer New York.

Chicago Style (17th ed.) Citation

Gelca, Razvan. author, and Titu. author Andreescu. Putnam and Beyond. 1st ed. 2007. New York, NY: Springer New York, 2007.

MLA (9th ed.) Citation

Gelca, Razvan. author, and Titu. author Andreescu. Putnam and Beyond. 1st ed. 2007. Springer New York, 2007.