Fletcher, R. H. (1938). Montana highway historical markers .. Printed by Naegele Printing Co..
Style de citation Chicago (17e éd.)Fletcher, Robert H. Montana Highway Historical Markers .. [Helena, Mont.]: Printed by Naegele Printing Co., 1938.
Style de citation MLA (8e éd.)Fletcher, Robert H. Montana Highway Historical Markers .. Printed by Naegele Printing Co., 1938.
Attention : ces citations peuvent ne pas être correctes à 100%.