APA (7th ed.) Citation

lh. Approximation algorithms for NP-hard problems.

Chicago Style (17th ed.) Citation

lh. Approximation Algorithms for NP-hard Problems. Boston lbAn International Thomson Publishing Company lc1995.

MLA (9th ed.) Citation

lh. Approximation Algorithms for NP-hard Problems.

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