Citazione Stile APA (7a Edizione)

Charrington, M., & Covill, C. S. (2011). Explorers: 2. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Charrington, Mary, e Charlotte Shipton Covill. Explorers: 2. Oxford: Oxford University Press, 2011.

Citatione MLA (9a ed.)

Charrington, Mary, e Charlotte Shipton Covill. Explorers: 2. Oxford University Press, 2011.