Cita APA (7a ed.)

Urquhart, M. C. (1993). Gross National Product, 1870-1926: Derivation of estimates. McGill-Queen's University Press.

Cita Chicago Style (17a ed.)

Urquhart, M. C. Gross National Product, 1870-1926: Derivation of Estimates. Montréal: McGill-Queen's University Press, 1993.

Cita MLA (8a ed.)

Urquhart, M. C. Gross National Product, 1870-1926: Derivation of Estimates. McGill-Queen's University Press, 1993.