APA (7th ed.) Citation

(1991). APL (Abstract programming language): Proceedings. International Conference APL 91 Palo Alto, California, USA 4-8 August 1991 Vol.21, No.4, August 1991. Association for Computing Machinery.

Chicago Style (17th ed.) Citation

APL (Abstract Programming Language): Proceedings. International Conference APL 91 Palo Alto, California, USA 4-8 August 1991 Vol.21, No.4, August 1991. New York: Association for Computing Machinery, 1991.

MLA (8th ed.) Citation

APL (Abstract Programming Language): Proceedings. International Conference APL 91 Palo Alto, California, USA 4-8 August 1991 Vol.21, No.4, August 1991. Association for Computing Machinery, 1991.