APA (7th ed.) Citation

Egli, E., & Muller, H. R. (1960). Europe from the air. W. Funk.

Chicago Style (17th ed.) Citation

Egli, Emil, and Hans Richard Muller. Europe from the Air. New York: W. Funk, 1960.

MLA (9th ed.) Citation

Egli, Emil, and Hans Richard Muller. Europe from the Air. W. Funk, 1960.