APA (7th ed.) Zitazioa

Hayden, H. C. (2008). A primer on CO2 and climate (1a. ed.). Vales Lake.

Chicago Style (17th ed.) Zitazioa

Hayden, Howard C. A Primer on CO2 and Climate. 1a. ed. Pueblo West: Vales Lake, 2008.

MLA (9th ed.) Zitazioa

Hayden, Howard C. A Primer on CO2 and Climate. 1a. ed. Vales Lake, 2008.