APA (7th ed.) Citation

Gymer, R. G. (1973). Chemistry: An ecological approach. Harper and Row.

Chicago Style (17th ed.) Citation

Gymer, Roger G. Chemistry: An Ecological Approach. New York: Harper and Row, 1973.

MLA (9th ed.) Citation

Gymer, Roger G. Chemistry: An Ecological Approach. Harper and Row, 1973.