APA (7th ed.) Citation

Simpson, G., & Williams, G. (1973). London correspondence inward from Sir George Simpson, 1841-42. Hudson's Bay Record Society.

Chicago Style (17th ed.) Citation

Simpson, George, and Glyndwr Williams. London Correspondence Inward from Sir George Simpson, 1841-42. London: Hudson's Bay Record Society, 1973.

MLA (8th ed.) Citation

Simpson, George, and Glyndwr Williams. London Correspondence Inward from Sir George Simpson, 1841-42. Hudson's Bay Record Society, 1973.

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