Style de citation APA (7e éd.)

Walford, A. J. (1975). Guide of Reference Material (3a ed.). The Library Association.

Style de citation Chicago (17e éd.)

Walford, A. J. Guide of Reference Material. 3a ed. London: The Library Association, 1975.

Style de citation MLA (9e éd.)

Walford, A. J. Guide of Reference Material. 3a ed. The Library Association, 1975.