APA (7th ed.) Citation

Keitz, H. A. E. (1971). Light calculations and measurements: An introduction to the system of quantities and units in light-technology and to photometry (2nd rev. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Keitz, H. A. E. Light Calculations and Measurements: An Introduction to the System of Quantities and Units in Light-technology and to Photometry. 2nd rev. ed. London: Macmillan, 1971.

MLA (9th ed.) Citation

Keitz, H. A. E. Light Calculations and Measurements: An Introduction to the System of Quantities and Units in Light-technology and to Photometry. 2nd rev. ed. Macmillan, 1971.