APA (7th ed.) Citation

ETTER. (1992). The student edition of lotus 123 release 2.3 for engineers. Addiosn-Wesley Pub..

Chicago Style (17th ed.) Citation

ETTER. The Student Edition of Lotus 123 Release 2.3 for Engineers. Reading, Mass., USA: Addiosn-Wesley Pub., 1992.

MLA (9th ed.) Citation

ETTER. The Student Edition of Lotus 123 Release 2.3 for Engineers. Addiosn-Wesley Pub., 1992.