Cita APA (7th ed.)

Ang, A. (1996). Saving the trees. A.A. Ang.

Cita Chicago (17th ed.)

Ang, Armando. Saving the Trees. Quezon City: A.A. Ang, 1996.

Cita MLA (9th ed.)

Ang, Armando. Saving the Trees. A.A. Ang, 1996.