Citazione Stile APA (7a Edizione)

TOFT, L. a. M. (1966). Practical mathematics: A textbook covering………. Pitman and Sons.

Citazione stile Chigago Style (17a edizione)

TOFT, Louis and McKAY. Practical Mathematics: A Textbook Covering………. London: Pitman and Sons, 1966.

Citatione MLA (9a ed.)

TOFT, Louis and McKAY. Practical Mathematics: A Textbook Covering………. Pitman and Sons, 1966.