Cita APA (7a ed.)

Barra, F. D. L. (1968). Historic monograph of the "Real Felipe" fortress of Callao and guide to the Museum of Military History. s.n..

Cita Chicago Style (17a ed.)

Barra, Felipe De La. Historic Monograph of the "Real Felipe" Fortress of Callao and Guide to the Museum of Military History. Lima: s.n., 1968.

Cita MLA (9a ed.)

Barra, Felipe De La. Historic Monograph of the "Real Felipe" Fortress of Callao and Guide to the Museum of Military History. s.n., 1968.