APA (7th ed.) Citation

Nijssen, G. M., & Falkenberg, E. D. (1984). Introduction to IBM SQL: Covering SQL/DS release 2. United Enterprises.

Chicago Style (17th ed.) Citation

Nijssen, G. M., and E. D. Falkenberg. Introduction to IBM SQL: Covering SQL/DS Release 2. Seven Hills, Qld.: United Enterprises, 1984.

MLA (8th ed.) Citation

Nijssen, G. M., and E. D. Falkenberg. Introduction to IBM SQL: Covering SQL/DS Release 2. United Enterprises, 1984.

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