Cite
A Computer System for Transformational Grammar.
MLA
Bobrow, D. G., and Joyce Friedman. “A Computer System for Transformational Grammar.” Communications of the ACM, vol. 12, no. 6, June 1969, pp. 341–48. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=asx&AN=5206726&authtype=sso&custid=ns315887.
APA
Bobrow, D. G., & Friedman, J. (1969). A Computer System for Transformational Grammar. Communications of the ACM, 12(6), 341–348.
Chicago
Bobrow, D. G., and Joyce Friedman. 1969. “A Computer System for Transformational Grammar.” Communications of the ACM 12 (6): 341–48. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=asx&AN=5206726&authtype=sso&custid=ns315887.