APA (7th ed.) Citation

Bolitho, A. R., & Sandler, P. L. (1977). Learn English for science 1. Longman.

Chicago Style (17th ed.) Citation

Bolitho, A. R., and P. L. Sandler. Learn English for Science 1. London: Longman, 1977.

MLA (9th ed.) Citation

Bolitho, A. R., and P. L. Sandler. Learn English for Science 1. Longman, 1977.