APA (7th ed.) Citation

King, M. L. (2018). Why we can't wait. Penguin Books.

Chicago Style (17th ed.) Citation

King, Martin Luther. Why We Can't Wait. [London] UK: Penguin Books, 2018.

MLA (9th ed.) Citation

King, Martin Luther. Why We Can't Wait. Penguin Books, 2018.

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