APA (7th ed.) Citation

Smith, D. M. (1928). Visual lines for spectrum analysis. A. Hilger ltd..

Chicago Style (17th ed.) Citation

Smith, Donald Murgatroyd. Visual Lines for Spectrum Analysis. London: A. Hilger ltd., 1928.

MLA (9th ed.) Citation

Smith, Donald Murgatroyd. Visual Lines for Spectrum Analysis. A. Hilger ltd., 1928.