APA (7th ed.) Citation

Elkington, J., Knight, P., & Hailes, J. (1991). The Green business guide / John Elkington & Peter Knight with Julia Hailes. Victor Gollancz.

Chicago Style (17th ed.) Citation

Elkington, John, Peter Knight, and Julia Hailes. The Green Business Guide / John Elkington & Peter Knight with Julia Hailes. London: Victor Gollancz, 1991.

MLA (9th ed.) Citation

Elkington, John, et al. The Green Business Guide / John Elkington & Peter Knight with Julia Hailes. Victor Gollancz, 1991.

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