APA (7th ed.) Citation

Timmermans, J., & Oesper, R. E. (1940). Chemical species: (La notion d'espece en chimie). Chemical Publishing Company.

Chicago Style (17th ed.) Citation

Timmermans, Jean, and Ralph E. Oesper. Chemical Species: (La Notion D'espece En Chimie). New York, N. Y.: Chemical Publishing Company, 1940.

MLA (9th ed.) Citation

Timmermans, Jean, and Ralph E. Oesper. Chemical Species: (La Notion D'espece En Chimie). Chemical Publishing Company, 1940.