Citazione Stile APA (7a Edizione)

Skinner, B. J., & Porter, S. C. (1995). The blue planet: An introduction to earth system science. J. Wiley.

Citazione stile Chigago Style (17a edizione)

Skinner, Brian J., e Stephen C. Porter. The Blue Planet: An Introduction to Earth System Science. New York: J. Wiley, 1995.

Citatione MLA (9a ed.)

Skinner, Brian J., e Stephen C. Porter. The Blue Planet: An Introduction to Earth System Science. J. Wiley, 1995.