Citazione Stile APA (7a Edizione)

Du Toit, A. L. (1926). Physical geography for south african schools (2. ed.). Cambridge Univ. Press.

Citazione stile Chigago Style (17a edizione)

Du Toit, Alex. L. Physical Geography for South African Schools. 2. ed. London [u.a.]: Cambridge Univ. Press, 1926.

Citatione MLA (9a ed.)

Du Toit, Alex. L. Physical Geography for South African Schools. 2. ed. Cambridge Univ. Press, 1926.