APA (7th ed.) Citation

Orr, K. T. (1977). Structured systems development. Yourdon.

Chicago Style (17th ed.) Citation

Orr, Kenneth T. Structured Systems Development. New York, NY: Yourdon, 1977.

MLA (9th ed.) Citation

Orr, Kenneth T. Structured Systems Development. Yourdon, 1977.

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