APA (7th ed.) Citation

Simpson, A., & Mosich, D. M. (1986). Focus on symphony databases: Alan Simpson & Donna M. Teen Publications.

Chicago Style (17th ed.) Citation

Simpson, Alan, and Donna M. Mosich. Focus on Symphony Databases: Alan Simpson & Donna M. Singapore: Teen Publications, 1986.

MLA (9th ed.) Citation

Simpson, Alan, and Donna M. Mosich. Focus on Symphony Databases: Alan Simpson & Donna M. Teen Publications, 1986.