APA (7th ed.) Citation

Locke, J., Wynne, J., Manning, W., & Loring, J. An abridgment of Mr. Locke's Essay concerning human understanding.

Chicago Style (17th ed.) Citation

Locke, John, John Wynne, William Manning, and James Loring. An Abridgment of Mr. Locke's Essay Concerning Human Understanding.

MLA (9th ed.) Citation

Locke, John, et al. An Abridgment of Mr. Locke's Essay Concerning Human Understanding.