APA (7th ed.) Citation

SMITH, R. W. L. Dictionary of english word-roots. Littlefield.

Chicago Style (17th ed.) Citation

SMITH, Robert W. L. Dictionary of English Word-roots. Totowa: Littlefield.

MLA (9th ed.) Citation

SMITH, Robert W. L. Dictionary of English Word-roots. Littlefield.

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