APA (7th ed.) Citation

Heald, E. (1831). De somni causis.

Chicago Style (17th ed.) Citation

Heald, Edmund. De Somni Causis. Berolini, 1831.

MLA (9th ed.) Citation

Heald, Edmund. De Somni Causis. 1831.

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