APA (7th ed.) Citation

Porter, D., & Prince, D. (1999). Frommer's 99 Germany. Macmillan USA.

Chicago Style (17th ed.) Citation

Porter, Darwin, and Danforth Prince. Frommer's 99 Germany. New York, N.Y: Macmillan USA, 1999.

MLA (9th ed.) Citation

Porter, Darwin, and Danforth Prince. Frommer's 99 Germany. Macmillan USA, 1999.

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