Cita APA (7a ed.)

Degadillo, Y., & Plaza, F. E. (1979). Spanish forts of Guam. University of Guam, Micronesian Area Research Center.

Cita Chicago Style (17a ed.)

Degadillo, Yolanda, y Felicia E. Plaza. Spanish Forts of Guam. Agana (Guam): University of Guam, Micronesian Area Research Center, 1979.

Cita MLA (9a ed.)

Degadillo, Yolanda, y Felicia E. Plaza. Spanish Forts of Guam. University of Guam, Micronesian Area Research Center, 1979.