APA (7th ed.) Citation

Bonner, W. J., & Schmall, R. A. (1973). A photometric technique for determining planetary slopes from orbital photographs. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Bonner, W. J., and R. A. Schmall. A Photometric Technique for Determining Planetary Slopes from Orbital Photographs. Washington: U.S. Govt. Print. Off, 1973.

MLA (9th ed.) Citation

Bonner, W. J., and R. A. Schmall. A Photometric Technique for Determining Planetary Slopes from Orbital Photographs. U.S. Govt. Print. Off, 1973.