APA (7th ed.) Citation

Riess, L. (1863). De ductibus biliferis nonnulla.

Chicago Style (17th ed.) Citation

Riess, Leopoldus. De Ductibus Biliferis Nonnulla. 1863.

MLA (8th ed.) Citation

Riess, Leopoldus. De Ductibus Biliferis Nonnulla. 1863.

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