APA (7th ed.) Citation

Bolton, H. E., & Marshall, T. M. (2011). The Colonization of North America 1492-1783. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bolton, Herbert Eugene, and Thomas Maitland Marshall. The Colonization of North America 1492-1783. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Bolton, Herbert Eugene, and Thomas Maitland Marshall. The Colonization of North America 1492-1783. Project Gutenberg, 2011.

Warning: These citations may not always be 100% accurate.