Keene, C. (2008). Nancy Drew Girl Detective: Secret Identity Book One No. 33. Aladdin Paperbacks.
Citazione stile Chigago Style (17a edizione)Keene, Carolyn. Nancy Drew Girl Detective: Secret Identity Book One No. 33. New York: Aladdin Paperbacks, 2008.
Citatione MLA (9a ed.)Keene, Carolyn. Nancy Drew Girl Detective: Secret Identity Book One No. 33. Aladdin Paperbacks, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.