MLA

Blaeu, Willem Janszoon, 1571-1638, Hortensius, Martinus, 1605-1639. Guilielmi Blaeu Institutio astronomica de usu globorum & sphærarum cælestium ac terrestrium: duabus partibus adornata : Una, secundum hypothesin Ptolemæi ... / Altera, juxta mentem N. Copernici ... Latinè reditta à M. Hortensio .... Anno Dom. 1665.. https://collections.library.yale.edu/catalog/10470575.

APA, 6th edition

Blaeu, Willem Janszoon, 1571-1638, & Hortensius, Martinus, 1605-1639. (Anno Dom. 1665.)[Guilielmi Blaeu Institutio astronomica de usu globorum & sphærarum cælestium ac terrestrium: duabus partibus adornata : Una, secundum hypothesin Ptolemæi ... / Altera, juxta mentem N. Copernici ... Latinè reditta à M. Hortensio ...]. https://collections.library.yale.edu/catalog/10470575.