APA (7th ed.) Citation

Routh, J. I. (1958). 20th century chemistry (2nd ed.). Saunders.

Chicago Style (17th ed.) Citation

Routh, Joseph Isaac. 20th Century Chemistry. 2nd ed. Philadelphia: Saunders, 1958.

MLA (9th ed.) Citation

Routh, Joseph Isaac. 20th Century Chemistry. 2nd ed. Saunders, 1958.