APA (7th ed.) Citation

Olff, O. (1908). Zur Aetiologie der Prolapse. s.n.].

Chicago Style (17th ed.) Citation

Olff, Otto. Zur Aetiologie Der Prolapse. [S.l.: s.n.], 1908.

MLA (8th ed.) Citation

Olff, Otto. Zur Aetiologie Der Prolapse. s.n.], 1908.

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