Citazione Stile APA (7a Edizione)

Harrison, P., Harrison, S., & Pearson, M. (1993). Into geography (New national curriculum ed., fully revised 2. ed.). Nelson.

Citazione stile Chigago Style (17a edizione)

Harrison, Patricia, Steve Harrison, e Mike Pearson. Into Geography. New national curriculum ed., fully revised 2. ed. Walton-on-Thames: Nelson, 1993.

Citatione MLA (9a ed.)

Harrison, Patricia, et al. Into Geography. New national curriculum ed., fully revised 2. ed. Nelson, 1993.