APA (7th ed.) Citation

Poh, R. K. S. (1985). Graphs and their close-set lattices.

Chicago Style (17th ed.) Citation

Poh, Roger Kheng Siong. Graphs and Their Close-set Lattices. 1985.

MLA (8th ed.) Citation

Poh, Roger Kheng Siong. Graphs and Their Close-set Lattices. 1985.

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