APA (7th ed.) Citation

Ewing, D. P., LeBlond, G. T., & Altman, R. B. (1990). Using Symphony (Revised for release 2.2 by Rebecca Bridges Altma...[and five others].). Jemma Inc.

Chicago Style (17th ed.) Citation

Ewing, David Paul, Geoffrey T. LeBlond, and Rebecca Bridges Altman. Using Symphony. Revised for release 2.2 by Rebecca Bridges Altma...[and five others]. Rizal: Jemma Inc, 1990.

MLA (9th ed.) Citation

Ewing, David Paul, et al. Using Symphony. Revised for release 2.2 by Rebecca Bridges Altma...[and five others]. Jemma Inc, 1990.