APA (7th ed.) Citation

Schmid, S. (1818). Der Knabe Antonio. [s.n.].

Chicago Style (17th ed.) Citation

Schmid, Siegfried. Der Knabe Antonio. Erlangen: [s.n.], 1818.

MLA (9th ed.) Citation

Schmid, Siegfried. Der Knabe Antonio. [s.n.], 1818.

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