Citazione Stile APA (7a Edizione)

Gregg, S. J., & Sing, K. S. W. (1982). Adsorption, surface area, and porosity (2nd ed.). Academic Press.

Citazione stile Chigago Style (17a edizione)

Gregg, S. J., e K. S. W. Sing. Adsorption, Surface Area, and Porosity. 2nd ed. London: Academic Press, 1982.

Citatione MLA (9a ed.)

Gregg, S. J., e K. S. W. Sing. Adsorption, Surface Area, and Porosity. 2nd ed. Academic Press, 1982.