MLA
Erasmus, Desiderius, -1536. D. Erasmi Roterodami De praeparatione ad mortem liber : cum primis pius, nunc primum & conscriptus & editus.. XXXX. Richard C. Kessler Reformation Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/8021c5b0rr-cor.
APA, 6th edition
Erasmus, Desiderius, -1536. (XXXX)[D. Erasmi Roterodami De praeparatione ad mortem liber : cum primis pius, nunc primum & conscriptus & editus.]. Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/8021c5b0rr-cor.
Chicago
Erasmus, Desiderius, -1536, D. Erasmi Roterodami De praeparatione ad mortem liber : cum primis pius, nunc primum & conscriptus & editus., XXXX, Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/8021c5b0rr-cor.