Style de citation APA (7e éd.)

Keene, C. (1972). The clue in the old stagecoach. William Collins Sons and Co. Ltd..

Style de citation Chicago (17e éd.)

Keene, Carolyn. The Clue in the Old Stagecoach. Great Britain: William Collins Sons and Co. Ltd., 1972.

Style de citation MLA (9e éd.)

Keene, Carolyn. The Clue in the Old Stagecoach. William Collins Sons and Co. Ltd., 1972.