APA (7th ed.) Citation

Colby, C. W. (1920). Selections from the sources of English history: Being a supplement to text-books of English history B.C. 55-A.D. 1832. Longmans, Green.

Chicago Style (17th ed.) Citation

Colby, Charles W. Selections from the Sources of English History: Being a Supplement to Text-books of English History B.C. 55-A.D. 1832. London ; New York: Longmans, Green, 1920.

MLA (9th ed.) Citation

Colby, Charles W. Selections from the Sources of English History: Being a Supplement to Text-books of English History B.C. 55-A.D. 1832. Longmans, Green, 1920.