APA引文

Ulate Montero, J., Valerio Villalobos, J., & Portúguez Sánchez, Y. (2008). Specialized bibliography of the central canton of the province of Heredia, Costa Rica, 1824-2003.

Citación estilo Chicago

Ulate Montero, Jenny, Jorlenny Valerio Villalobos, y Yadira Portúguez Sánchez. Specialized Bibliography of the Central Canton of the Province of Heredia, Costa Rica, 1824-2003. 2008.

MLA引文

Ulate Montero, Jenny, Jorlenny Valerio Villalobos, y Yadira Portúguez Sánchez. Specialized Bibliography of the Central Canton of the Province of Heredia, Costa Rica, 1824-2003. 2008.

警告：這些引文格式不一定是100％准確.