Meggers, W. F., & Moore, C. E. (1976). The first spectrum of hafnium Hf 1. US Dep. of Commerce, National Bureau of Standards.
Chicago Style (17th ed.) CitationMeggers, William F., and Charlotte Emma Moore. The First Spectrum of Hafnium Hf 1. Washington, DC: US Dep. of Commerce, National Bureau of Standards, 1976.
MLA (9th ed.) CitationMeggers, William F., and Charlotte Emma Moore. The First Spectrum of Hafnium Hf 1. US Dep. of Commerce, National Bureau of Standards, 1976.
Warning: These citations may not always be 100% accurate.