APA (7th ed.) Citation

Skeat, W. W. (1904). A primer of English etymology (4th and rev. ed.). Clarendon.

Chicago Style (17th ed.) Citation

Skeat, Walter W. A Primer of English Etymology. 4th and rev. ed. Oxford: Clarendon, 1904.

MLA (8th ed.) Citation

Skeat, Walter W. A Primer of English Etymology. 4th and rev. ed. Clarendon, 1904.