APA (7th ed.) Citation

Bongui, R. D. (1999). History of Apayao.

Chicago Style (17th ed.) Citation

Bongui, Ramos D. History of Apayao. 1999.

MLA (9th ed.) Citation

Bongui, Ramos D. History of Apayao. 1999.

Warning: These citations may not always be 100% accurate.