APA (7th ed.) Citation

West & -. (1991). Certificate Chemistry: - (1991.). Oxford University.

Chicago Style (17th ed.) Citation

West and -. Certificate Chemistry: -. 1991. Madras: Oxford University, 1991.

MLA (9th ed.) Citation

West and -. Certificate Chemistry: -. 1991. Oxford University, 1991.

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