APA (7th ed.) Citation

Illuminating Engineering Society, London. Technical Committee. (1971). The calculation of utilization factors: The BZ method (Rev. ed.). Illuminating Engineering Society.

Chicago Style (17th ed.) Citation

Illuminating Engineering Society, London. Technical Committee. The Calculation of Utilization Factors: The BZ Method. Rev. ed. London: Illuminating Engineering Society, 1971.

MLA (9th ed.) Citation

Illuminating Engineering Society, London. Technical Committee. The Calculation of Utilization Factors: The BZ Method. Rev. ed. Illuminating Engineering Society, 1971.