APA (7th ed.) Citation

Tuchman, B. W. (1985). An author's mail. American Scholar, 54, 313.

Chicago Style (17th ed.) Citation

Tuchman, Barbara Wertheim. "An Author's Mail." American Scholar 54 (1985): 313.

MLA (9th ed.) Citation

Tuchman, Barbara Wertheim. "An Author's Mail." American Scholar, vol. 54, 1985, p. 313.