APA aipamena

Angelou, M. (2002). I know why the caged bird sings. Penguin Books.

Chicago Style aipamena

Angelou, Maya. I Know Why the Caged Bird Sings. Harlow: Penguin Books, 2002.

MLA aipamena

Angelou, Maya. I Know Why the Caged Bird Sings. Penguin Books, 2002.