Style de citation APA (7e éd.)

(1985). County Boundaries of Selected United States Territories/States, 1790-1980 John H. Long. [electronic resource].

Style de citation Chicago (17e éd.)

County Boundaries of Selected United States Territories/States, 1790-1980 John H. Long. [electronic Resource]. 1985.

Style de citation MLA (9e éd.)

County Boundaries of Selected United States Territories/States, 1790-1980 John H. Long. [electronic Resource]. 1985.

Attention : ces citations peuvent ne pas être correctes à 100%.