Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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