Cita APA (7th ed.)

Velayo, R. M. (1958). Philippine citizenship and naturalization. A. Saguil.

Cita Chicago (17th ed.)

Velayo, Ramon M. Philippine Citizenship and Naturalization. San Juan, Rizal: A. Saguil, 1958.

Cita MLA (9th ed.)

Velayo, Ramon M. Philippine Citizenship and Naturalization. A. Saguil, 1958.