Cita APA (7a ed.)

Bernardo, R. S. (1980). Nature, types and functions of fuel additives and their roles in conservation. Philippine Engineering Journal.

Cita Chicago Style (17a ed.)

Bernardo, Rufo S. "Nature, Types and Functions of Fuel Additives and Their Roles in Conservation." Philippine Engineering Journal 1980.

Cita MLA (9a ed.)

Bernardo, Rufo S. "Nature, Types and Functions of Fuel Additives and Their Roles in Conservation." Philippine Engineering Journal, 1980.