MLA
Westphal, Joachim, 1510 or 1511-1574. Explicatio generalis sententiae : quod e duobus malis minus sit eligendum, ex qua facile quiuis intelligere potest, quid in praesenti de adiaphoris controuersia sequendum aut fugiend[um] sit. XXXX. Richard C. Kessler Reformation Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/747dr7ss3w-cor.
APA, 6th edition
Westphal, Joachim, 1510 or 1511-1574. (XXXX)[Explicatio generalis sententiae : quod e duobus malis minus sit eligendum, ex qua facile quiuis intelligere potest, quid in praesenti de adiaphoris controuersia sequendum aut fugiend[um] sit, ]. Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/747dr7ss3w-cor.
Chicago
Westphal, Joachim, 1510 or 1511-1574, Explicatio generalis sententiae : quod e duobus malis minus sit eligendum, ex qua facile quiuis intelligere potest, quid in praesenti de adiaphoris controuersia sequendum aut fugiend[um] sit, XXXX, Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/747dr7ss3w-cor.