APA (7th ed.) Citation

Ayer, A. M. (1972). Some difficulties in elementary school history. AMS Press.

Chicago Style (17th ed.) Citation

Ayer, Adelaide May. Some Difficulties in Elementary School History. New York: AMS Press, 1972.

MLA (9th ed.) Citation

Ayer, Adelaide May. Some Difficulties in Elementary School History. AMS Press, 1972.

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