Citazione Stile APA (7a Edizione)

Enser, P. G. B. (1985). Automatic Classification of Book Material Represented by Back-of-the-Book Index.

Citazione stile Chigago Style (17a edizione)

Enser, P. G. B. Automatic Classification of Book Material Represented by Back-of-the-Book Index. 1985.

Citatione MLA (9a ed.)

Enser, P. G. B. Automatic Classification of Book Material Represented by Back-of-the-Book Index. 1985.