एपीए उद्धरण

Ugalde Víquez, A., Vallejos Vásquez, S., & Rodríguez Segura, N. (2015). The ecological library science: A necessary change in Costa Rican libraries.

शिकागो स्टाइल उद्धरण

Ugalde Víquez, Aracelly, Sheily Vallejos Vásquez, और Natalia Rodríguez Segura. The Ecological Library Science: A Necessary Change in Costa Rican Libraries. 2015.

एमएलए उद्धरण

Ugalde Víquez, Aracelly, Sheily Vallejos Vásquez, और Natalia Rodríguez Segura. The Ecological Library Science: A Necessary Change in Costa Rican Libraries. 2015.