APA (7th ed.) Citation

Twyman, F., & Allsopp, C. B. (1934). The practice of absorption spectrophotometry with Hilger instruments: An introduction to the theory of the subject, and guide to the technique of absorption measurement in the visible, ultra-violet and infra-red regions of the spectrum (2d. ed., June 1934.). A. Higler, ltd..

Chicago Style (17th ed.) Citation

Twyman, Frank, and Cecil Benjamin Allsopp. The Practice of Absorption Spectrophotometry with Hilger Instruments: An Introduction to the Theory of the Subject, and Guide to the Technique of Absorption Measurement in the Visible, Ultra-violet and Infra-red Regions of the Spectrum. 2d. ed., June 1934. London, Eng.: A. Higler, ltd., 1934.

MLA (9th ed.) Citation

Twyman, Frank, and Cecil Benjamin Allsopp. The Practice of Absorption Spectrophotometry with Hilger Instruments: An Introduction to the Theory of the Subject, and Guide to the Technique of Absorption Measurement in the Visible, Ultra-violet and Infra-red Regions of the Spectrum. 2d. ed., June 1934. A. Higler, ltd., 1934.