Cita APA (7th ed.)

Coolidge, S. M. (1974). What Katy did at school: Susan Coolidge. Bancroft.

Cita Chicago (17th ed.)

Coolidge, Susan M. What Katy Did at School: Susan Coolidge. London: Bancroft, 1974.

Cita MLA (8th ed.)

Coolidge, Susan M. What Katy Did at School: Susan Coolidge. Bancroft, 1974.