Cita APA (7th ed.)

Campos, P. C., & Velasco, J. R. (1970). Proceedings of the Philippine Association for the Advancement of Science, 1970. Philippine Association for the Advancement of Science.

Cita Chicago (17th ed.)

Campos, Paulo C., i Jose R. Velasco. Proceedings of the Philippine Association for the Advancement of Science, 1970. Manila: Philippine Association for the Advancement of Science, 1970.

Cita MLA (9th ed.)

Campos, Paulo C., i Jose R. Velasco. Proceedings of the Philippine Association for the Advancement of Science, 1970. Philippine Association for the Advancement of Science, 1970.