Woolley, M. E. The Early History of the Colonial Post-Office. Project Gutenberg.
Chicago Style (17th ed.) CitationWoolley, Mary Emma. The Early History of the Colonial Post-Office. Project Gutenberg.
MLA (9th ed.) CitationWoolley, Mary Emma. The Early History of the Colonial Post-Office. Project Gutenberg.
Warning: These citations may not always be 100% accurate.