APA (7th ed.) Citation

Hoppe, R. (1857). Zur Theorie der parallelen Curven.

Chicago Style (17th ed.) Citation

Hoppe, R. Zur Theorie Der Parallelen Curven. 1857.

MLA (9th ed.) Citation

Hoppe, R. Zur Theorie Der Parallelen Curven. 1857.

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