Style de citation APA (7e éd.)

SOMERVELL, .. (1929). English thought in the nineteenth century. David McKay.

Style de citation Chicago (17e éd.)

SOMERVELL, .D.C. English Thought in the Nineteenth Century. New York: David McKay, 1929.

Style de citation MLA (9e éd.)

SOMERVELL, .D.C. English Thought in the Nineteenth Century. David McKay, 1929.