APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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