Lewis, B. N., Horabin, J. S., & Gane, C. P. (1971). Flow charts, logical trees and algorithms for rules and regulations (6. impr.). Her M's Stat. Off.
Chicago Style (17th ed.) CitationLewis, Brian N., J. S. Horabin, and C. P. Gane. Flow Charts, Logical Trees and Algorithms for Rules and Regulations. 6. impr. London: Her M's Stat. Off, 1971.
MLA (9th ed.) CitationLewis, Brian N., et al. Flow Charts, Logical Trees and Algorithms for Rules and Regulations. 6. impr. Her M's Stat. Off, 1971.
Warning: These citations may not always be 100% accurate.