APA (7th ed.) Citation

Nilsson, C. S., & Southworth, R. B. (1967). The flux of meteors and meteoroids in the neighborhood of the earth. Smithsonian Institution, Astrophysical Observatory.

Chicago Style (17th ed.) Citation

Nilsson, C. S., and R. B. Southworth. The Flux of Meteors and Meteoroids in the Neighborhood of the Earth. Cambridge, Mass.: Smithsonian Institution, Astrophysical Observatory, 1967.

MLA (9th ed.) Citation

Nilsson, C. S., and R. B. Southworth. The Flux of Meteors and Meteoroids in the Neighborhood of the Earth. Smithsonian Institution, Astrophysical Observatory, 1967.