APA (7th ed.) Citation

Sevilla, C. G. (1992). An introduction to research methods. Rex Bookstore.

Chicago Style (17th ed.) Citation

Sevilla, Consuelo G. An Introduction to Research Methods. Manila: Rex Bookstore, 1992.

MLA (9th ed.) Citation

Sevilla, Consuelo G. An Introduction to Research Methods. Rex Bookstore, 1992.