APA (7th ed.) Citation

Hoover, W. H., & Froiland, A. G. (1953). Silver-disk pyrheliometry. Smithsonian Inst.

Chicago Style (17th ed.) Citation

Hoover, W. H., and A. G. Froiland. Silver-disk Pyrheliometry. Washington, DC: Smithsonian Inst, 1953.

MLA (9th ed.) Citation

Hoover, W. H., and A. G. Froiland. Silver-disk Pyrheliometry. Smithsonian Inst, 1953.

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