APA (7th ed.) Citation

Shakespeare, W., & Smallwood, R. L. (1974). King John / (by) William Shakespeare ; edited by R.L. Smallwood. Penguin.

Chicago Style (17th ed.) Citation

Shakespeare, William, and R. L. Smallwood. King John / (by) William Shakespeare ; Edited by R.L. Smallwood. Harmondsworth (etc.): Penguin, 1974.

MLA (9th ed.) Citation

Shakespeare, William, and R. L. Smallwood. King John / (by) William Shakespeare ; Edited by R.L. Smallwood. Penguin, 1974.

Warning: These citations may not always be 100% accurate.