Essler, J. (1508). Speculum astrologorum. per Joannem Scheffer.
Chicago Style (17th ed.) CitationEssler, Johann. Speculum Astrologorum. Impressum Maguntie [Mainz]: per Joannem Scheffer, 1508.
MLA (8th ed.) CitationEssler, Johann. Speculum Astrologorum. per Joannem Scheffer, 1508.
Warning: These citations may not always be 100% accurate.