APA (7e ed.) Bronvermelding

Gardner, E. G. (1904). The story of Siena and San Gimignano ([2d ed.].). J. M. Dent & co..

Chicago (17e ed.) Bronvermelding

Gardner, Edmund Garratt. The Story of Siena and San Gimignano. [2d ed.]. London: J. M. Dent & co., 1904.

MLA (8e ed.) Bronvermelding

Gardner, Edmund Garratt. The Story of Siena and San Gimignano. [2d ed.]. J. M. Dent & co., 1904.