APA (7th ed.) Citation

Cai, J., & Hemachandra, L. (1985). The Boolean hierarchy: Hardware over NP.

Chicago Style (17th ed.) Citation

Cai, Jin-Yi, and Lane Hemachandra. The Boolean Hierarchy: Hardware over NP. Ithaca, New York, 1985.

MLA (9th ed.) Citation

Cai, Jin-Yi, and Lane Hemachandra. The Boolean Hierarchy: Hardware over NP. 1985.