APA-referens

Gupta, H. K. (2011). Encyclopedia of solid earth geophysics (2nd ed.). Springer.

Chicago-stil citat

Gupta, Harsh K. Encyclopedia of Solid Earth Geophysics. 2nd ed. New York: Springer, 2011.

MLA-referens

Gupta, Harsh K. Encyclopedia of Solid Earth Geophysics. 2nd ed. Springer, 2011.