Cita APA (7th ed.)

Walden, A. T., & Guttorp, P. (1992). Statistics in the environmental & earth sciences. Halsted Press.

Cita Chicago (17th ed.)

Walden, Andrew T., i Peter Guttorp. Statistics in the Environmental & Earth Sciences. New York: Halsted Press, 1992.

Cita MLA (9th ed.)

Walden, Andrew T., i Peter Guttorp. Statistics in the Environmental & Earth Sciences. Halsted Press, 1992.