APA način citiranja

Arias Zapata, A., Coto Arce, K. V., Villalobos Herrera, D., & Ortiz Ureña, A. (2018). Patterns of drug usage in a representative sample of students and teachers at University of Costa Rica in 2017.

Čikaški stil citiranja

Arias Zapata, Andrés, Karla Vanessa Coto Arce, Daniela Villalobos Herrera, i Angie Ortiz Ureña. Patterns of Drug Usage in a Representative Sample of Students and Teachers At University of Costa Rica in 2017. 2018.

MLA način citiranja

Arias Zapata, Andrés, Karla Vanessa Coto Arce, Daniela Villalobos Herrera, i Angie Ortiz Ureña. Patterns of Drug Usage in a Representative Sample of Students and Teachers At University of Costa Rica in 2017. 2018.