APA-viite

Carlos Vargas, J. (2007). Frank Vincent's in and out of Central America: A traveler's vision of Costa Rica in the 1890s.

Chicago-tyylinen lähdeviittaus

Carlos Vargas, Juan. Frank Vincent's in and Out of Central America: A Traveler's Vision of Costa Rica in the 1890s. 2007.

MLA-viite

Carlos Vargas, Juan. Frank Vincent's in and Out of Central America: A Traveler's Vision of Costa Rica in the 1890s. 2007.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.