APA (7th ed.) Citation

Heap, C., & Shakespeare, W. (2009). Macbeth. Oberon Books.

Chicago Style (17th ed.) Citation

Heap, Carl, and William Shakespeare. Macbeth. London: Oberon Books, 2009.

MLA (9th ed.) Citation

Heap, Carl, and William Shakespeare. Macbeth. Oberon Books, 2009.

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