Cita APA (7a ed.)

Webb, C. R. J., & Schaeffer, P. B. (1958). From ancient times to the eighteenth century (2. ed.). van Nostrand.

Cita Chicago Style (17a ed.)

Webb, Charles R. Junior, y Paul B. Schaeffer. From Ancient Times to the Eighteenth Century. 2. ed. Princeton, NJ [u.a.]: van Nostrand, 1958.

Cita MLA (9a ed.)

Webb, Charles R. Junior, y Paul B. Schaeffer. From Ancient Times to the Eighteenth Century. 2. ed. van Nostrand, 1958.