APA (7th ed.) Citation

Timmermans, J. (1963). The concept of species in chemistry. Chemical Pub. Co..

Chicago Style (17th ed.) Citation

Timmermans, Jean. The Concept of Species in Chemistry. New York: Chemical Pub. Co., 1963.

MLA (9th ed.) Citation

Timmermans, Jean. The Concept of Species in Chemistry. Chemical Pub. Co., 1963.