APA (7th ed.) Citation

Boulton, J. T., & Boulton, J. T. (1971). Johnson: The critical heritage. Routledge and K. Paul.

Chicago Style (17th ed.) Citation

Boulton, James T., and James T. Boulton. Johnson: The Critical Heritage. London: Routledge and K. Paul, 1971.

MLA (8th ed.) Citation

Boulton, James T., and James T. Boulton. Johnson: The Critical Heritage. Routledge and K. Paul, 1971.