APA
Smith J C, Thomas Mark, . (1992). A case book on contract. London: Sweet & Maxwell.
Chicago
Smith J C, Thomas Mark, . 1992. A case book on contract. London: Sweet & Maxwell.
Harvard
Smith J C, Thomas Mark, . (1992). A case book on contract. London: Sweet & Maxwell.
MLA
Smith J C, Thomas Mark, . A case book on contract. London: Sweet & Maxwell. 1992.