APA (7th ed.) Citation

Hearn, D. R. (1968). A Search for celestial sources of gamma rays of energy greater than 100 MEV. Smithsonian Institution Astrophysical Observatory.

Chicago Style (17th ed.) Citation

Hearn, D. R. A Search for Celestial Sources of Gamma Rays of Energy Greater than 100 MEV. Cambridge, Mass.: Smithsonian Institution Astrophysical Observatory, 1968.

MLA (9th ed.) Citation

Hearn, D. R. A Search for Celestial Sources of Gamma Rays of Energy Greater than 100 MEV. Smithsonian Institution Astrophysical Observatory, 1968.

Warning: These citations may not always be 100% accurate.