Citazione Stile APA (7a Edizione)

HMacek-ROwland, K. M. (2000). Precipitation in the Northern Plains, September 1996 through April 1997. U.S, Government Printing Office.

Citazione stile Chigago Style (17a edizione)

HMacek-ROwland, Kathleen M. Precipitation in the Northern Plains, September 1996 Through April 1997. Denver, Colorado: U.S, Government Printing Office, 2000.

Citatione MLA (9a ed.)

HMacek-ROwland, Kathleen M. Precipitation in the Northern Plains, September 1996 Through April 1997. U.S, Government Printing Office, 2000.