Citazione Stile APA (7a Edizione)

(1968). The New popular science encyclopedia: Of the sciences. Allen & Unwin.

Citazione stile Chigago Style (17a edizione)

The New Popular Science Encyclopedia: Of the Sciences. London: Allen & Unwin, 1968.

Citatione MLA (9a ed.)

The New Popular Science Encyclopedia: Of the Sciences. Allen & Unwin, 1968.