Agy, V., Davies, K., & Salaman, R. K. (1959). An Atlas of oblique-incidence ionograms. National Bureau of Standards, United States Department of Commerce, Office of Technical Services.
Chicago Style (17th ed.) CitationAgy, Vaughn, Kenneth Davies, and Roger K. Salaman. An Atlas of Oblique-incidence Ionograms. Washington, D.C.: National Bureau of Standards, United States Department of Commerce, Office of Technical Services, 1959.
MLA (9th ed.) CitationAgy, Vaughn, et al. An Atlas of Oblique-incidence Ionograms. National Bureau of Standards, United States Department of Commerce, Office of Technical Services, 1959.
Warning: These citations may not always be 100% accurate.