APA (7th ed.) Citation

Engel, M. (1967). The maturity of Dickens. Harvard University Press.

Chicago Style (17th ed.) Citation

Engel, Monroe. The Maturity of Dickens. Cambridge: Harvard University Press, 1967.

MLA (9th ed.) Citation

Engel, Monroe. The Maturity of Dickens. Harvard University Press, 1967.