APA (7th ed.) Citation

Sevilla, C. G. (1992). Research methods (Rev. ed.). Rex Book Store.

Chicago Style (17th ed.) Citation

Sevilla, Consuelo G. Research Methods. Rev. ed. Manila: Rex Book Store, 1992.

MLA (9th ed.) Citation

Sevilla, Consuelo G. Research Methods. Rev. ed. Rex Book Store, 1992.