Style de citation APA (7e éd.)

Bell Telephone Laboratories, inc. Technical Information Libraries. Index to current technical literature. Bell Telephone Laboratories.

Style de citation Chicago (17e éd.)

Bell Telephone Laboratories, inc. Technical Information Libraries. Index to Current Technical Literature. New York: Bell Telephone Laboratories.

Style de citation MLA (8e éd.)

Bell Telephone Laboratories, inc. Technical Information Libraries. Index to Current Technical Literature. Bell Telephone Laboratories.

Attention : ces citations peuvent ne pas être correctes à 100%.