APA (7th ed.) Citation

Ferrer, D. C., Foronda, J., & Payumo, P. R. (1972). Radio control examinations. National Bookstore.

Chicago Style (17th ed.) Citation

Ferrer, Daniel C., Juanito Foronda, and Pablo R. Payumo. Radio Control Examinations. Manila: National Bookstore, 1972.

MLA (9th ed.) Citation

Ferrer, Daniel C., et al. Radio Control Examinations. National Bookstore, 1972.