APA (7th ed.) Citation

Abad, G. H. (1997). Imaginary Letter to my Twin Sons. University of the Philippines Press.

Chicago Style (17th ed.) Citation

Abad, Gemino H. Imaginary Letter to My Twin Sons. Quezon City: University of the Philippines Press, 1997.

MLA (9th ed.) Citation

Abad, Gemino H. Imaginary Letter to My Twin Sons. University of the Philippines Press, 1997.