APA

Smith J C, Thomas J A C, . (1977). A casebook on contract. London: Sweet & Maxwell.

Chicago

Smith J C, Thomas J A C, . 1977. A casebook on contract. London: Sweet & Maxwell.

Harvard

Smith J C, Thomas J A C, . (1977). A casebook on contract. London: Sweet & Maxwell.

MLA

Smith J C, Thomas J A C, . A casebook on contract. London: Sweet & Maxwell. 1977.