APA (7th ed.) Citation

Mueller, F. v., & Sonntag, A. (1859). Observations on terrestrial magnetism in Mexico, conducted under direction of Baron von Muller; with notes and illustrations of examination of volcano Popocatepetl and its vicinity. [publisher not identified].

Chicago Style (17th ed.) Citation

Mueller, Ferdinand von, and August Sonntag. Observations on Terrestrial Magnetism in Mexico, Conducted Under Direction of Baron Von Muller; with Notes and Illustrations of Examination of Volcano Popocatepetl and Its Vicinity. Washington, D.C.: [publisher not identified], 1859.

MLA (9th ed.) Citation

Mueller, Ferdinand von, and August Sonntag. Observations on Terrestrial Magnetism in Mexico, Conducted Under Direction of Baron Von Muller; with Notes and Illustrations of Examination of Volcano Popocatepetl and Its Vicinity. [publisher not identified], 1859.