APA (7th ed.) Citation

Koss, E. L. (1946). Families in trouble. King's Crown Press.

Chicago Style (17th ed.) Citation

Koss, Earl Lomon. Families in Trouble. New York: King's Crown Press, 1946.

MLA (9th ed.) Citation

Koss, Earl Lomon. Families in Trouble. King's Crown Press, 1946.