APA (7th ed.) Citation

Gaynor, F. (1946). International business dictionary in five languages: English, German, French, Spanish [and] Italian. The Philosophical library.

Chicago Style (17th ed.) Citation

Gaynor, Frank. International Business Dictionary in Five Languages: English, German, French, Spanish [and] Italian. New York: The Philosophical library, 1946.

MLA (9th ed.) Citation

Gaynor, Frank. International Business Dictionary in Five Languages: English, German, French, Spanish [and] Italian. The Philosophical library, 1946.