Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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