Citazione Stile APA (7a Edizione)
Erthridge, J. M. (1979). Contemporary Authors: A Bibliographyical guide to curent authors and their works (ed.). Gale Research company.
Citazione stile Chigago Style (17a edizione)
Erthridge, James M. Contemporary Authors: A Bibliographyical Guide to Curent Authors and Their Works. ed. Michigan: Gale Research company, 1979.
Citatione MLA (9a ed.)
Erthridge, James M. Contemporary Authors: A Bibliographyical Guide to Curent Authors and Their Works. ed. Gale Research company, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.