APA (7th ed.) Citation

Apelo, R., Dela Cruz, J., & Phillips, J. F. (1975). The copper T device: A clinical evaluation. University of the Philippines System, Population Institute.

Chicago Style (17th ed.) Citation

Apelo, Ruben, Julieta Dela Cruz, and James F. Phillips. The Copper T Device: A Clinical Evaluation. [Manila]: University of the Philippines System, Population Institute, 1975.

MLA (9th ed.) Citation

Apelo, Ruben, et al. The Copper T Device: A Clinical Evaluation. University of the Philippines System, Population Institute, 1975.