Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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