Gaya APA

Swanson, C, P., , . (1993). Drugs, alcohol, and tobacco macmillan health encyclopedia jilid 7 . New York: New York: Macmillan; 1993.

Gaya MLA

Swanson, Carl, P.., , . "Drugs, alcohol, and tobacco macmillan health encyclopedia jilid 7". New York: New York: Macmillan; 1993, 1993. Text.