Cita APA

Sivertsen, L., & Sivertsen, T. (2008). Generation green: The ultimate teen guide to living an eco-friendly life. New York: Simon Pulse.

Chicago Style Citation

Sivertsen, Linda, i Tosh Sivertsen. Generation Green: The Ultimate Teen Guide to Living an Eco-friendly Life. New York: Simon Pulse, 2008.

Cita MLA

Sivertsen, Linda, i Tosh Sivertsen. Generation Green: The Ultimate Teen Guide to Living an Eco-friendly Life. New York: Simon Pulse, 2008.