Day, A., & Harvet, J. M. (1994). Walford's guide to reference material: Social and historical sciences,philosophy and religion (6th ed.). Library association publishing.
Citação do estilo Chicago (17ª ed.)Day, Alan, e Joan M. Harvet. Walford's Guide to Reference Material: Social and Historical Sciences,philosophy and Religion. 6th ed. London: Library association publishing, 1994.
Citação MLA (9ª ed.)Day, Alan, e Joan M. Harvet. Walford's Guide to Reference Material: Social and Historical Sciences,philosophy and Religion. 6th ed. Library association publishing, 1994.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.