Cita APA (7a ed.)

Etxebarria, L., Scott, K., & Grence, T. (2004). Geography and history. Santillana Richmond Publ.

Cita Chicago Style (17a ed.)

Etxebarria, Lourdes, Katherine Scott, y Teresa Grence. Geography and History. Barcelona: Santillana Richmond Publ, 2004.

Cita MLA (9a ed.)

Etxebarria, Lourdes, et al. Geography and History. Santillana Richmond Publ, 2004.