APA (7th ed.) Citation

Barker, A. L., & Knapp, K. A. (1978). Chemistry - a practical approach. Macmillan.

Chicago Style (17th ed.) Citation

Barker, A. L., and K. A. Knapp. Chemistry - a Practical Approach. Basingstoke: Macmillan, 1978.

MLA (8th ed.) Citation

Barker, A. L., and K. A. Knapp. Chemistry - a Practical Approach. Macmillan, 1978.

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