APA (7th ed.) Citation

Chakrabarty, S. (1994). A Hierarchical Assembly Planning system. [publisher not identified].

Chicago Style (17th ed.) Citation

Chakrabarty, Sugato. A Hierarchical Assembly Planning System. [Place of publication not identified]: [publisher not identified], 1994.

MLA (9th ed.) Citation

Chakrabarty, Sugato. A Hierarchical Assembly Planning System. [publisher not identified], 1994.