APA (7th ed.) Citation

Preston, D., & Preston, M. (2007). A teardrop on the cheek of time: The story of the Taj Mahal. Doubleday.

Chicago Style (17th ed.) Citation

Preston, Diana, and Michael Preston. A Teardrop on the Cheek of Time: The Story of the Taj Mahal. London: Doubleday, 2007.

MLA (9th ed.) Citation

Preston, Diana, and Michael Preston. A Teardrop on the Cheek of Time: The Story of the Taj Mahal. Doubleday, 2007.

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