APA (7th ed.) Citation

Schur, E. (1912). Rudolph Töpffer. Cassirer.

Chicago Style (17th ed.) Citation

Schur, Ernst. Rudolph Töpffer. Berlin: Cassirer, 1912.

MLA (9th ed.) Citation

Schur, Ernst. Rudolph Töpffer. Cassirer, 1912.

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