APA (7th ed.) Citation

Gymer, R. G. (1977). Chemistry in the nature world. D. C. Geath.

Chicago Style (17th ed.) Citation

Gymer, Roger G. Chemistry in the Nature World. Lexington, Mass: D. C. Geath, 1977.

MLA (9th ed.) Citation

Gymer, Roger G. Chemistry in the Nature World. D. C. Geath, 1977.