Aspley, J. (1977). Speculum nauticum: A looking glass for sea-men wherein they may behold a small instrument called the plaine scale whereby all questions nauticall and propositions astronomicall are very easily and demonstratively wrought... Theatrum Orbis Terrarum.
Chicago Style (17th ed.) CitationAspley, John. Speculum Nauticum: A Looking Glass for Sea-men Wherein They May Behold a Small Instrument Called the Plaine Scale Whereby All Questions Nauticall and Propositions Astronomicall Are Very Easily and Demonstratively Wrought... Amsterdam: Theatrum Orbis Terrarum, 1977.
MLA citiranjeAspley, John. Speculum Nauticum: A Looking Glass for Sea-men Wherein They May Behold a Small Instrument Called the Plaine Scale Whereby All Questions Nauticall and Propositions Astronomicall Are Very Easily and Demonstratively Wrought... Theatrum Orbis Terrarum, 1977.