APA (7th ed.) Citation

Farmer, A. J., Marks, G. A., & Marks, J. (1970). Harrap's French-English Dictionary of Slang and Colloquialisms / by Joseph Marks ; revised and completed by Georgette A. Marks and Albert J. Farmer. Harrap.

Chicago Style (17th ed.) Citation

Farmer, Albert J., Georgette A. Marks, and Joseph Marks. Harrap's French-English Dictionary of Slang and Colloquialisms / by Joseph Marks ; Revised and Completed by Georgette A. Marks and Albert J. Farmer. Harrap, 1970.

MLA (9th ed.) Citation

Farmer, Albert J., et al. Harrap's French-English Dictionary of Slang and Colloquialisms / by Joseph Marks ; Revised and Completed by Georgette A. Marks and Albert J. Farmer. Harrap, 1970.

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