APA (7th ed.) Citation

Bousfield, J., & Humphreys , R. (2005). The rough guide to Austria. Rough guides.

Chicago Style (17th ed.) Citation

Bousfield, Jonathan, and Rob Humphreys. The Rough Guide to Austria. New York: Rough guides, 2005.

MLA (9th ed.) Citation

Bousfield, Jonathan, and Rob Humphreys. The Rough Guide to Austria. Rough guides, 2005.