APA (7th ed.) Citation

Black, B. W. (2020). The Secret Guests. Penguin Books.

Chicago Style (17th ed.) Citation

Black, B. W. The Secret Guests. United Kingdom: Penguin Books, 2020.

MLA (9th ed.) Citation

Black, B. W. The Secret Guests. Penguin Books, 2020.

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