APA (7th ed.) Citation

Angelou, M. (1969). I know why the caged bird sings. Bantam.

Chicago Style (17th ed.) Citation

Angelou, Maya. I Know Why the Caged Bird Sings. New York: Bantam, 1969.

MLA (9th ed.) Citation

Angelou, Maya. I Know Why the Caged Bird Sings. Bantam, 1969.