APA (7th ed.) Citation

Porter, R. I. (1970). Further mathematics (Revised, metricated ed.). Bell & Hyman.

Chicago Style (17th ed.) Citation

Porter, R. I. Further Mathematics. Revised, metricated ed. London: Bell & Hyman, 1970.

MLA (9th ed.) Citation

Porter, R. I. Further Mathematics. Revised, metricated ed. Bell & Hyman, 1970.

Warning: These citations may not always be 100% accurate.