APA (7th ed.) Citation

Porter, R. I. (1977). A school course in vectors. G. Bell & Sons.

Chicago Style (17th ed.) Citation

Porter, R. I. A School Course in Vectors. London: G. Bell & Sons, 1977.

MLA (9th ed.) Citation

Porter, R. I. A School Course in Vectors. G. Bell & Sons, 1977.

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