APA (7th ed.) Citation

Ayres, L. P. (1909). Laggards in our schools: A study of retardation and elimination in city school systems. Charities publication committee.

Chicago Style (17th ed.) Citation

Ayres, Leonard Porter. Laggards in Our Schools: A Study of Retardation and Elimination in City School Systems. New York: Charities publication committee, 1909.

MLA (8th ed.) Citation

Ayres, Leonard Porter. Laggards in Our Schools: A Study of Retardation and Elimination in City School Systems. Charities publication committee, 1909.