APA (7th ed.) Citation

Titheridge, J. E. (1985). Ionogram analysis with the generalised program POLAN. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center.

Chicago Style (17th ed.) Citation

Titheridge, J. E. Ionogram Analysis with the Generalised Program POLAN. Boulder, CO: U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center, 1985.

MLA (9th ed.) Citation

Titheridge, J. E. Ionogram Analysis with the Generalised Program POLAN. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center, 1985.