APA (7th ed.) Citation

Jelkmann, K. (1913). Die Sct. Paulskirche in Frankfurt a.M. s.n.].

Chicago Style (17th ed.) Citation

Jelkmann, Karlo. Die Sct. Paulskirche in Frankfurt A.M. [S.l.: s.n.], 1913.

MLA (8th ed.) Citation

Jelkmann, Karlo. Die Sct. Paulskirche in Frankfurt A.M. s.n.], 1913.