Harrison, C. (2020). Explorers geography & science (First published.). Folens.
Citazione stile Chigago Style (17a edizione)Harrison, Christopher. Explorers Geography & Science. First published. Dublin: Folens, 2020.
Citatione MLA (9a ed.)Harrison, Christopher. Explorers Geography & Science. First published. Folens, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.