Citazione Stile APA (7a Edizione)

Unstead, J. F., Elloway, I. G., & Gilbert, E. W. (1965). A world survey: From the human aspect (6. ed.). Univ. of London Press.

Citazione stile Chigago Style (17a edizione)

Unstead, John Frederick, I. G. Elloway, e Edmund William Gilbert. A World Survey: From the Human Aspect. 6. ed. London: Univ. of London Press, 1965.

Citatione MLA (9a ed.)

Unstead, John Frederick, et al. A World Survey: From the Human Aspect. 6. ed. Univ. of London Press, 1965.