Citazione Stile APA (7a Edizione)

Maltby, A. (1972). Classification in the 1970's: A discussion of development and prospects for the major schemes. Bingley.

Citazione stile Chigago Style (17a edizione)

Maltby, Arthur. Classification in the 1970's: A Discussion of Development and Prospects for the Major Schemes. London: Bingley, 1972.

Citatione MLA (8a ed.)

Maltby, Arthur. Classification in the 1970's: A Discussion of Development and Prospects for the Major Schemes. Bingley, 1972.