APA (7th ed.) Citation

Smithsonian Institution & Forsythe, W. E. (1956). Smithsonian physical tables (9th rev. ed.). Smithsonian Institution.

Chicago Style (17th ed.) Citation

Smithsonian Institution and William Elmer Forsythe. Smithsonian Physical Tables. 9th rev. ed. Washington: Smithsonian Institution, 1956.

MLA (9th ed.) Citation

Smithsonian Institution and William Elmer Forsythe. Smithsonian Physical Tables. 9th rev. ed. Smithsonian Institution, 1956.