APA (7th ed.) Citation

Shakespeare, W. (1968). The first part of King Henry the fourth. Penguin Books.

Chicago Style (17th ed.) Citation

Shakespeare, William. The First Part of King Henry the Fourth. Middlesex, England: Penguin Books, 1968.

MLA (9th ed.) Citation

Shakespeare, William. The First Part of King Henry the Fourth. Penguin Books, 1968.