APA (7th ed.) Citation

Knapp, F. (1907). Perugino. Velhagen & Klasing.

Chicago Style (17th ed.) Citation

Knapp, Fritz. Perugino. Bielefeld und Leipzig: Velhagen & Klasing, 1907.

MLA (9th ed.) Citation

Knapp, Fritz. Perugino. Velhagen & Klasing, 1907.

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