APA način citiranja

Sánchez-Retana, C., & Leiva-Granados, R. (2016). Incidence factors in the use of contraceptives among adolescents and young adult people in Costa Rica.

Čikaški stil citiranja

Sánchez-Retana, Carmen, i Rolando Leiva-Granados. Incidence Factors in the Use of Contraceptives Among Adolescents and Young Adult People in Costa Rica. 2016.

MLA način citiranja

Sánchez-Retana, Carmen, i Rolando Leiva-Granados. Incidence Factors in the Use of Contraceptives Among Adolescents and Young Adult People in Costa Rica. 2016.