Cita APA (7a ed.)

Hall, S. M. (1993). European specialist publishers directory. Gale Research International.

Cita Chicago Style (17a ed.)

Hall, Sarah M. European Specialist Publishers Directory. London [etc.]: Gale Research International, 1993.

Cita MLA (9a ed.)

Hall, Sarah M. European Specialist Publishers Directory. Gale Research International, 1993.