APA (7th ed.) Citation

Friedman, M. P. (1967). A Three-dimensional model of the upper atmosphere. Smithsonian Institution, Astrophysical Observatory.

Chicago Style (17th ed.) Citation

Friedman, Morton P. A Three-dimensional Model of the Upper Atmosphere. Cambridge, Mass.: Smithsonian Institution, Astrophysical Observatory, 1967.

MLA (9th ed.) Citation

Friedman, Morton P. A Three-dimensional Model of the Upper Atmosphere. Smithsonian Institution, Astrophysical Observatory, 1967.