APA (7th ed.) Citation

Frommer, A. (1969). Europe on ... dollars a day (1969-70 ed.). A. Frommer, Inc.

Chicago Style (17th ed.) Citation

Frommer, Arthur. Europe on ... Dollars a Day. 1969-70 ed. New York: A. Frommer, Inc, 1969.

MLA (9th ed.) Citation

Frommer, Arthur. Europe on ... Dollars a Day. 1969-70 ed. A. Frommer, Inc, 1969.