APA (7th ed.) Citation

Gregory, M. E., & James, S. (2009). Toilets of the world / Morna E. Gregory and Sian James. Merrell.

Chicago Style (17th ed.) Citation

Gregory, Morna E., and Sian James. Toilets of the World / Morna E. Gregory and Sian James. London: Merrell, 2009.

MLA (9th ed.) Citation

Gregory, Morna E., and Sian James. Toilets of the World / Morna E. Gregory and Sian James. Merrell, 2009.

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