APA

Blake J. W., . (1993). Phigs and Phigs Plus. London: Academic Press.

Chicago

Blake J W, . 1993. Phigs and Phigs Plus. London: Academic Press.

Harvard

Blake J. W., . (1993). Phigs and Phigs Plus. London: Academic Press.

MLA

Blake J W, . Phigs and Phigs Plus. London: Academic Press. 1993.