APA (7th ed.) Citation

Noble, J., Williams, N., Gauldie, R., & Dauldie, R. (1997). Estonia, Latvia & Lithuania. Lonely Planet.

Chicago Style (17th ed.) Citation

Noble, John, Nicola Williams, Robin Gauldie, and Robin Dauldie. Estonia, Latvia & Lithuania. Lonely Planet, 1997.

MLA (8th ed.) Citation

Noble, John, et al. Estonia, Latvia & Lithuania. Lonely Planet, 1997.