APA (7th ed.) Citation

(1993). What is it?: A question and answer book about ourselves and our world. Rainbow Books.

Chicago Style (17th ed.) Citation

What Is It?: A Question and Answer Book About Ourselves and Our World. London: Rainbow Books, 1993.

MLA (9th ed.) Citation

What Is It?: A Question and Answer Book About Ourselves and Our World. Rainbow Books, 1993.