APA način citiranja

González Beltrán, G., & Monge Sandí, A. (2013). Recommendations for obtaining reliable results of resistance of concrete cylinders.

Čikaški stil citiranja

González Beltrán, Guillermo, i Anna Monge Sandí. Recommendations for Obtaining Reliable Results of Resistance of Concrete Cylinders. 2013.

MLA način citiranja

González Beltrán, Guillermo, i Anna Monge Sandí. Recommendations for Obtaining Reliable Results of Resistance of Concrete Cylinders. 2013.