APA način citiranja

Vásquez, M. E., Chavez, J. A., & Gracias, F. E. (2017). Denudation Study in Tierra Blanca Joven Pyroclastics within the Metropolitan Area of San Salvador.

Čikaški stil citiranja

Vásquez, Mauricio E., José A. Chavez, i Fabio E. Gracias. Denudation Study in Tierra Blanca Joven Pyroclastics Within the Metropolitan Area of San Salvador. 2017.

MLA način citiranja

Vásquez, Mauricio E., José A. Chavez, i Fabio E. Gracias. Denudation Study in Tierra Blanca Joven Pyroclastics Within the Metropolitan Area of San Salvador. 2017.