Nordbeck, S., & Rystedt, B. (1969). Computer Cartography Shortest Route Programs. Gleerup.
Chicago Style (17th ed.) CitationNordbeck, Stig, and Bengt Rystedt. Computer Cartography Shortest Route Programs. Lund: Gleerup, 1969.
MLA (9th ed.) CitationNordbeck, Stig, and Bengt Rystedt. Computer Cartography Shortest Route Programs. Gleerup, 1969.
Warning: These citations may not always be 100% accurate.