Citazione Stile APA (7a Edizione)

Craig, G. A., Barker, E. J., & Hammer, C. L. (1975). Discoveries and inventions (1. publ., 6. printing.). Evans.

Citazione stile Chigago Style (17a edizione)

Craig, George A., Eric J. Barker, e C. L. Hammer. Discoveries and Inventions. 1. publ., 6. printing. London: Evans, 1975.

Citatione MLA (9a ed.)

Craig, George A., et al. Discoveries and Inventions. 1. publ., 6. printing. Evans, 1975.