Citazione Stile APA (7a Edizione)

Graham, A. S., & Sargent, . D. (1981). Countdown to mathematics. Addison-Wesley.

Citazione stile Chigago Style (17a edizione)

Graham, Alexander Steel., e David Sargent. Countdown to Mathematics. London: Addison-Wesley, 1981.

Citatione MLA (9a ed.)

Graham, Alexander Steel., e David Sargent. Countdown to Mathematics. Addison-Wesley, 1981.