Cita APA (7a ed.)

Allen, C. G. (1975). A manual of European languages for librarians. Bowker : in assoc. with the London School of Economics.

Cita Chicago Style (17a ed.)

Allen, Charles Geoffry. A Manual of European Languages for Librarians. London ; New York: Bowker : in assoc. with the London School of Economics, 1975.

Cita MLA (9a ed.)

Allen, Charles Geoffry. A Manual of European Languages for Librarians. Bowker : in assoc. with the London School of Economics, 1975.