APA (7th ed.) Citation

Carter, L. R., & Huzan, E. (1979). The pocket calculator. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Carter, L. R., and E. Huzan. The Pocket Calculator. London: Hodder and Stoughton, 1979.

MLA (9th ed.) Citation

Carter, L. R., and E. Huzan. The Pocket Calculator. Hodder and Stoughton, 1979.