APA (7th ed.) Citation

Ward, J. Algorithm 803: A simpler macro processor. ACM transactions on mathematical software..

Chicago Style (17th ed.) Citation

Ward, Jr. "Algorithm 803: A Simpler Macro Processor." ACM Transactions on Mathematical Software. .

MLA (9th ed.) Citation

Ward, Jr. "Algorithm 803: A Simpler Macro Processor." ACM Transactions on Mathematical Software., .

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