Churchman, J. (1800). The magnetic atlas, or Variation charts of the whole terraqueous globe: Comprising a system of the variation & dip of the needle by which the observations being truly made, the longitude may be ascertained. (The third edition with additions.).
Chicago Style (17th ed.) CitationChurchman, John. The Magnetic Atlas, or Variation Charts of the Whole Terraqueous Globe: Comprising a System of the Variation & Dip of the Needle by Which the Observations Being Truly Made, the Longitude May Be Ascertained. The third edition with additions. 1800.
MLA (9th ed.) CitationChurchman, John. The Magnetic Atlas, or Variation Charts of the Whole Terraqueous Globe: Comprising a System of the Variation & Dip of the Needle by Which the Observations Being Truly Made, the Longitude May Be Ascertained. The third edition with additions. 1800.