APA (7th ed.) Citation

Thomson, E. W., Lampman, A., & Bourinot, A. S. (1957). The letters of Edward William Thomson to Archibald Lampman (1891-1897). The Editor.

Chicago Style (17th ed.) Citation

Thomson, Edward William, Archibald Lampman, and Arthur S. Bourinot. The Letters of Edward William Thomson to Archibald Lampman (1891-1897). Ottawa: The Editor, 1957.

MLA (8th ed.) Citation

Thomson, Edward William, et al. The Letters of Edward William Thomson to Archibald Lampman (1891-1897). The Editor, 1957.