APA (7th ed.) Citation

Mühlbach, L., & Langley, P. (1868). Old Fritz and the new era. D. Appleton & company.

Chicago Style (17th ed.) Citation

Mühlbach, L., and Peter Langley. Old Fritz and the New Era. New York: D. Appleton & company, 1868.

MLA (9th ed.) Citation

Mühlbach, L., and Peter Langley. Old Fritz and the New Era. D. Appleton & company, 1868.