APA (7th ed.) Citation

Delhi. National Physical Laboratory of India. Radio Propagation Unit & India (Republic). Radio Research Committee. Ionospheric data. [Radio Propagation Unit, National Physical Laboratory].

Chicago Style (17th ed.) Citation

Delhi. National Physical Laboratory of India. Radio Propagation Unit and India (Republic). Radio Research Committee. Ionospheric Data. New Delhi: [Radio Propagation Unit, National Physical Laboratory].

MLA (9th ed.) Citation

Delhi. National Physical Laboratory of India. Radio Propagation Unit and India (Republic). Radio Research Committee. Ionospheric Data. [Radio Propagation Unit, National Physical Laboratory].