APA (7th ed.) Citation

Strong, W. M., & Runyon, A. M. (1960). Travel abroad at low cost (1960-61 ed. of How to travel without being rich.). Doubleday.

Chicago Style (17th ed.) Citation

Strong, William McCreery, and A. Milton Runyon. Travel Abroad at Low Cost. 1960-61 ed. of How to travel without being rich. Garden City, N.Y.: Doubleday, 1960.

MLA (9th ed.) Citation

Strong, William McCreery, and A. Milton Runyon. Travel Abroad at Low Cost. 1960-61 ed. of How to travel without being rich. Doubleday, 1960.