APA (7th ed.) Citation

Gleason, G. (1956). Horizons for older people.. Macmillan.

Chicago Style (17th ed.) Citation

Gleason, George. Horizons for Older People.. New York: Macmillan, 1956.

MLA (9th ed.) Citation

Gleason, George. Horizons for Older People.. Macmillan, 1956.

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