APA (7th ed.) Citation

Barr, D. (1971). Who pushed Humpty Dumpty?: Dilemmas in American education today ([1st ed.].). Atheneum.

Chicago Style (17th ed.) Citation

Barr, Donald. Who Pushed Humpty Dumpty?: Dilemmas in American Education Today. [1st ed.]. New York: Atheneum, 1971.

MLA (9th ed.) Citation

Barr, Donald. Who Pushed Humpty Dumpty?: Dilemmas in American Education Today. [1st ed.]. Atheneum, 1971.

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