Anderson R. R. Raymond R. & Mckay R. M. Robert M. (1997). Clastic Rocks Associated with the Midcontinent Rift System in Lowa. Washington, United States Government Printing office, 1997.
Citazione stile Chigago Style (17a edizione)Anderson R. R. Raymond R. e Mckay R. M. Robert M. Clastic Rocks Associated with the Midcontinent Rift System in Lowa. Washington, United States Government Printing office, 1997, 1997.
Citatione MLA (9a ed.)Anderson R. R. Raymond R. e Mckay R. M. Robert M. Clastic Rocks Associated with the Midcontinent Rift System in Lowa. Washington, United States Government Printing office, 1997, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.