APA (7th ed.) Citation

American National Standards Institute. (1970). American National Standard flowchart symbols and their usage in information processing.

Chicago Style (17th ed.) Citation

American National Standards Institute. American National Standard Flowchart Symbols and Their Usage in Information Processing. [New York], 1970.

MLA (9th ed.) Citation

American National Standards Institute. American National Standard Flowchart Symbols and Their Usage in Information Processing. 1970.

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