Style de citation APA (7e éd.)

Não informado. (1952). Adult leadership. Adult Education Association of the United States of America.

Style de citation Chicago (17e éd.)

Não informado. Adult Leadership. Washington: Adult Education Association of the United States of America, 1952.

Style de citation MLA (8e éd.)

Não informado. Adult Leadership. Adult Education Association of the United States of America, 1952.

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