APA (7th ed.) Citation

Grabowski, W. (1972). Lexicographic and time minimization in the transportation problem. PKiN.

Chicago Style (17th ed.) Citation

Grabowski, Wiesław. Lexicographic and Time Minimization in the Transportation Problem. Warszawa: PKiN, 1972.

MLA (8th ed.) Citation

Grabowski, Wiesław. Lexicographic and Time Minimization in the Transportation Problem. PKiN, 1972.

Warning: These citations may not always be 100% accurate.