APA (7th ed.) Citation

Frommer, A., & Arthur, H. (1980). Europe on a 15 a day (23rd ed.). The Frommer/Pasmantier Pub. Corp.

Chicago Style (17th ed.) Citation

Frommer, Arthur, and Hope Arthur. Europe on a 15 a Day. 23rd ed. New York, N.Y: The Frommer/Pasmantier Pub. Corp, 1980.

MLA (9th ed.) Citation

Frommer, Arthur, and Hope Arthur. Europe on a 15 a Day. 23rd ed. The Frommer/Pasmantier Pub. Corp, 1980.