APA (7th ed.) Citation

Panlasigui, I. (1950). Our country and people, book four. [s.n.].

Chicago Style (17th ed.) Citation

Panlasigui, Isidoro. Our Country and People, Book Four. Manila: [s.n.], 1950.

MLA (9th ed.) Citation

Panlasigui, Isidoro. Our Country and People, Book Four. [s.n.], 1950.