Cita APA (7a ed.)
Erthridge, J. M. (1978). Contemporary authors: Permanent series a bibliographyical guide to curent authors and their works (ed.). Gale Research company.
Cita Chicago Style (17a ed.)
Erthridge, James M. Contemporary Authors: Permanent Series a Bibliographyical Guide to Curent Authors and Their Works. ed. Michigan: Gale Research company, 1978.
Cita MLA (9a ed.)
Erthridge, James M. Contemporary Authors: Permanent Series a Bibliographyical Guide to Curent Authors and Their Works. ed. Gale Research company, 1978.
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