Cita APA (7th ed.)

Hedjazi, A. Spanish documents pertaining to the Sulu Sultanate 1889-1898. s.n.

Cita Chicago (17th ed.)

Hedjazi, A.K. Spanish Documents Pertaining to the Sulu Sultanate 1889-1898. n.l: s.n.

Cita MLA (9th ed.)

Hedjazi, A.K. Spanish Documents Pertaining to the Sulu Sultanate 1889-1898. s.n.