Survey, U. S. G., & Mundorff, J. C. (1986). Sedimentation in Brownell Creek subwatershed, no.1, Nebraska. Washington : United States Government Printing Office.
Citazione stile Chigago Style (17a edizione)Survey, United States. Geological, e James C. Mundorff. Sedimentation in Brownell Creek Subwatershed, No.1, Nebraska. Washington : United States Government Printing Office, 1986.
Citatione MLA (9a ed.)Survey, United States. Geological, e James C. Mundorff. Sedimentation in Brownell Creek Subwatershed, No.1, Nebraska. Washington : United States Government Printing Office, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.