Cita APA (7th ed.)

Espina, G. S. (1964). A conceptual scheme for the study of Philippine interest groups in relation to politics and administration. Philippine Journal of Public Administration.

Cita Chicago (17th ed.)

Espina, Gerardo S. "A Conceptual Scheme for the Study of Philippine Interest Groups in Relation to Politics and Administration." Philippine Journal of Public Administration 1964.

Cita MLA (9th ed.)

Espina, Gerardo S. "A Conceptual Scheme for the Study of Philippine Interest Groups in Relation to Politics and Administration." Philippine Journal of Public Administration, 1964.