APA (7th ed.) Citation

Opdycke, J. B. (1949). Many my words, a guide to modern usage and expression ([1st ed.].). Harper.

Chicago Style (17th ed.) Citation

Opdycke, John Baker. Many My Words, a Guide to Modern Usage and Expression. [1st ed.]. New York: Harper, 1949.

MLA (9th ed.) Citation

Opdycke, John Baker. Many My Words, a Guide to Modern Usage and Expression. [1st ed.]. Harper, 1949.