APA

Skorupski J., . (1976). Symbol and theory. Cambridge, New York: Cambridge University Press.

Chicago

Skorupski John, . 1976. Symbol and theory. Cambridge, New York: Cambridge University Press.

Harvard

Skorupski J., . (1976). Symbol and theory. Cambridge, New York: Cambridge University Press.

MLA

Skorupski John, . Symbol and theory. Cambridge, New York: Cambridge University Press. 1976.