APA (7th ed.) Citation

Knights, L. C. (1960). Some Shakespearen themes: An approach to Hamlet. Penguin.

Chicago Style (17th ed.) Citation

Knights, L. C. Some Shakespearen Themes: An Approach to Hamlet. Harmondsworth [etc.]: Penguin, 1960.

MLA (9th ed.) Citation

Knights, L. C. Some Shakespearen Themes: An Approach to Hamlet. Penguin, 1960.

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