Cita APA (7a ed.)

Sánchez, P. C. (1990). Guahan Guam: The history of our island. Sánchez.

Cita Chicago Style (17a ed.)

Sánchez, Pedro C. Guahan Guam: The History of Our Island. Agana [Guam]: Sánchez, 1990.

Cita MLA (9a ed.)

Sánchez, Pedro C. Guahan Guam: The History of Our Island. Sánchez, 1990.