APA (7th ed.) Citation

Essler, J. (1990). Speculum Astrologorum. Saur.

Chicago Style (17th ed.) Citation

Essler, Johann. Speculum Astrologorum. München: Saur, 1990.

MLA (9th ed.) Citation

Essler, Johann. Speculum Astrologorum. Saur, 1990.

Warning: These citations may not always be 100% accurate.