APA (7th ed.) Citation

Bolitho, H. (1935). Older people. Appleton-Century.

Chicago Style (17th ed.) Citation

Bolitho, Hector. Older People. New York: Appleton-Century, 1935.

MLA (8th ed.) Citation

Bolitho, Hector. Older People. Appleton-Century, 1935.