APA (7th ed.) Citation

Rountree, E., & Halverstadt, H. F. (1970). Sometimes they cry: A study-action book. Friendship Press.

Chicago Style (17th ed.) Citation

Rountree, Estelle, and Hugh F. Halverstadt. Sometimes They Cry: A Study-action Book. New York: Friendship Press, 1970.

MLA (8th ed.) Citation

Rountree, Estelle, and Hugh F. Halverstadt. Sometimes They Cry: A Study-action Book. Friendship Press, 1970.