Cita APA (7th ed.)

Coolidge, S. (1975). What Katy did next: Abridged / Susan Coolidge. Purnell.

Cita Chicago (17th ed.)

Coolidge, Susan. What Katy Did Next: Abridged / Susan Coolidge. Maidenhead: Purnell, 1975.

Cita MLA (8th ed.)

Coolidge, Susan. What Katy Did Next: Abridged / Susan Coolidge. Purnell, 1975.