Cita APA (7th ed.)

Blyton, E. (1942). The O'Sullivan Twins At St. Clare's (75th.). Hodder Children's Books.

Cita Chicago (17th ed.)

Blyton, Enid. The O'Sullivan Twins At St. Clare's. 75th. London: Hodder Children's Books, 1942.

Cita MLA (9th ed.)

Blyton, Enid. The O'Sullivan Twins At St. Clare's. 75th. Hodder Children's Books, 1942.