APA (7th ed.) Citation

Vale, B., & Vale, R. (2004). Steps toward a sustainable architecture.

Chicago Style (17th ed.) Citation

Vale, Brenda, and Robert Vale. Steps Toward a Sustainable Architecture. 2004.

MLA (9th ed.) Citation

Vale, Brenda, and Robert Vale. Steps Toward a Sustainable Architecture. 2004.

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