APA (7th ed.) Citation

Lewis, M. (2003). The rough guide to Singapore. Rough Guides.

Chicago Style (17th ed.) Citation

Lewis, Mark. The Rough Guide to Singapore. New York: Rough Guides, 2003.

MLA (9th ed.) Citation

Lewis, Mark. The Rough Guide to Singapore. Rough Guides, 2003.

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