Gaya APA

Bosstick, M., Cable, J, L. (1975). Patterns in the sand an exploration in mathematics (2nd ed). London: Collier Macmillan Publishers.

Gaya MLA

Bosstick, Maurice.., Cable, John, L.. "Patterns in the sand an exploration in mathematics". 2nd ed London: Collier Macmillan Publishers, 1975. Printed Book.