APA Style

HURSCH, C, J., HURSCH, J, L. (1991). Sql: Structure Query Languag. 2nd Edition (2). New York: WINDCREST.

MLA Style

HURSCH, CAROLYN, J.., HURSCH, JACK, L.. "Sql: Structure Query Languag. 2nd Edition". 2 New York: WINDCREST, 1991. Text.