Citazione Stile APA (7a Edizione)

Papa, M. T., & Alvarez, F. (2014). Can we live without trees?: A book about trees. Adarna House, Inc.

Citazione stile Chigago Style (17a edizione)

Papa, May Tobias, e Fran Alvarez. Can We Live Without Trees?: A Book About Trees. Quezon City: Adarna House, Inc, 2014.

Citatione MLA (9a ed.)

Papa, May Tobias, e Fran Alvarez. Can We Live Without Trees?: A Book About Trees. Adarna House, Inc, 2014.