APA (7th ed.) Citation

Quilliam, S. (1985). William Shakespeare: Romeo and Juliet. Penguin Books.

Chicago Style (17th ed.) Citation

Quilliam, Susan. William Shakespeare: Romeo and Juliet. Harmondsworth [u.a.]: Penguin Books, 1985.

MLA (9th ed.) Citation

Quilliam, Susan. William Shakespeare: Romeo and Juliet. Penguin Books, 1985.