Tables for the reduction of ex-meridian altitudes
MLA
Towson, John Thomas. Tables for the Reduction of Ex-meridian Altitudes. 10th ed. London: Printed by J.D. Potter, 1867
APA, 7th edition
Towson, J. Thomas. (1867). Tables for the reduction of ex-meridian altitudes. 10th ed. London: Printed by J.D. Potter
Chicago, 17th edition
Towson, John Thomas. Tables for the reduction of ex-meridian altitudes. 10th ed. London: Printed by J.D. Potter, 1867