APA (7th ed.) Citation

Holliday, C. O., Schmidheiny, S., & Watts, P. (2002). Walking the talk: The business case for sustainable development. Greenleaf Publishing.

Chicago Style (17th ed.) Citation

Holliday, Charles O., Stephan Schmidheiny, and Philip Watts. Walking the Talk: The Business Case for Sustainable Development. Sheffield, U.K: Greenleaf Publishing, 2002.

MLA (8th ed.) Citation

Holliday, Charles O., et al. Walking the Talk: The Business Case for Sustainable Development. Greenleaf Publishing, 2002.