Cita APA (7th ed.)

Venzon, C. O. (1989). Laughter is good medicine. Deluxe Books.

Cita Chicago (17th ed.)

Venzon, Conrad O. Laughter Is Good Medicine. Quezon City: Deluxe Books, 1989.

Cita MLA (9th ed.)

Venzon, Conrad O. Laughter Is Good Medicine. Deluxe Books, 1989.