APA (7th ed.) Citation

Trevelyan, G. M. (1947). A reader's guide: Biography. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Trevelyan, G. M. A Reader's Guide: Biography. London [u.a.]: Cambridge Univ. Press, 1947.

MLA (8th ed.) Citation

Trevelyan, G. M. A Reader's Guide: Biography. Cambridge Univ. Press, 1947.