APA (7th ed.) Citation

Wallace, W. S. (1951). A dictionary of North American authors deceased before 1950. Ryerson Pr.

Chicago Style (17th ed.) Citation

Wallace, William Stewart. A Dictionary of North American Authors Deceased Before 1950. Toronto/Canada: Ryerson Pr, 1951.

MLA (9th ed.) Citation

Wallace, William Stewart. A Dictionary of North American Authors Deceased Before 1950. Ryerson Pr, 1951.

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