APA (7th ed.) Citation

Callenbach Ernest. (1975). Ecotopia. Banyan Tree Books.

Chicago Style (17th ed.) Citation

Callenbach Ernest. Ecotopia. Banyan Tree Books, 1975.

MLA (8th ed.) Citation

Callenbach Ernest. Ecotopia. Banyan Tree Books, 1975.

Warning: These citations may not always be 100% accurate.