APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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