APA (7th ed.) Citation

Korach, E., & Tal, A. (1990). Directed vertex disjoint paths problem in mixed series-parallel graphs.

Chicago Style (17th ed.) Citation

Korach, Ephraim, and Ady Tal. Directed Vertex Disjoint Paths Problem in Mixed Series-parallel Graphs. Haifa, Israel, 1990.

MLA (9th ed.) Citation

Korach, Ephraim, and Ady Tal. Directed Vertex Disjoint Paths Problem in Mixed Series-parallel Graphs. 1990.

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