Patterson, R. (1818). Description and use of a simple appendage to the reflecting sector, by which it is rendered capable of measuring all possible altitudes, on land, by reflection from an artificial horizon.
Chicago Style (17th ed.) CitationPatterson, Robert. Description and Use of a Simple Appendage to the Reflecting Sector, by Which It Is Rendered Capable of Measuring All Possible Altitudes, on Land, by Reflection from an Artificial Horizon. Philadelphia, 1818.
MLA (8th ed.) CitationPatterson, Robert. Description and Use of a Simple Appendage to the Reflecting Sector, by Which It Is Rendered Capable of Measuring All Possible Altitudes, on Land, by Reflection from an Artificial Horizon. 1818.
Warning: These citations may not always be 100% accurate.