Citazione Stile APA (7a Edizione)

Halm, J. V. (1978). The Development of special libraries as an international phenomenon. Special Libraries Association.

Citazione stile Chigago Style (17a edizione)

Halm, Johan Van. The Development of Special Libraries as an International Phenomenon. New York: Special Libraries Association, 1978.

Citatione MLA (9a ed.)

Halm, Johan Van. The Development of Special Libraries as an International Phenomenon. Special Libraries Association, 1978.