APA (7th ed.) Citation

Berle, G. (1991). The green entrepreneur: Business opportunities that can save the earth and make you money (1st. ed.). Liberty Hall Press.

Chicago Style (17th ed.) Citation

Berle, Gustav. The Green Entrepreneur: Business Opportunities That Can Save the Earth and Make You Money. 1st. ed. Blue Ridge Summit, PA: Liberty Hall Press, 1991.

MLA (9th ed.) Citation

Berle, Gustav. The Green Entrepreneur: Business Opportunities That Can Save the Earth and Make You Money. 1st. ed. Liberty Hall Press, 1991.