APA (7th ed.) Citation

Aspley, J. (1638). Speculum nauticum.: A looking glasse. For sea-men: wherein they may behold a small instrument called the plain scale: wherby [sic] all questions nauticall, and propositions astronomicall are very easily and demonstratively wrought. (The third Edition corrected.). Printed by Thomas Harper, and are to be sold by George Hurlock, at his shop at Saint Magnus corner..

Chicago Style (17th ed.) Citation

Aspley, John. Speculum Nauticum.: A Looking Glasse. For Sea-men: Wherein They May Behold a Small Instrument Called the Plain Scale: Wherby [sic] All Questions Nauticall, and Propositions Astronomicall Are Very Easily and Demonstratively Wrought. The third Edition corrected. London,: Printed by Thomas Harper, and are to be sold by George Hurlock, at his shop at Saint Magnus corner., 1638.

MLA (9th ed.) Citation

Aspley, John. Speculum Nauticum.: A Looking Glasse. For Sea-men: Wherein They May Behold a Small Instrument Called the Plain Scale: Wherby [sic] All Questions Nauticall, and Propositions Astronomicall Are Very Easily and Demonstratively Wrought. The third Edition corrected. Printed by Thomas Harper, and are to be sold by George Hurlock, at his shop at Saint Magnus corner., 1638.