APA (7th ed.) Citation

Saxena, A. R. (1976). A verified specification of a hierarchical operating system.

Chicago Style (17th ed.) Citation

Saxena, Ashok Raj. A Verified Specification of a Hierarchical Operating System. 1976.

MLA (9th ed.) Citation

Saxena, Ashok Raj. A Verified Specification of a Hierarchical Operating System. 1976.

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