APA (7th ed.) Citation

Perthes, J., Wichmann, H., Domann, B., & Habenicht, H. (1921). Atlas portátil (11a ed.). Justus Perthes.

Chicago Style (17th ed.) Citation

Perthes, Justus, Hugo Wichmann, Bruno Domann, and Hermann Habenicht. Atlas Portátil. 11a ed. Gotha: Justus Perthes, 1921.

MLA (9th ed.) Citation

Perthes, Justus, et al. Atlas Portátil. 11a ed. Justus Perthes, 1921.