APA
Kewtelaar J. A. A., . (1958). Chemical constitution: An introduction to the theory of the chemical bond. Amsterdam: Elsevier.
Chicago
Kewtelaar J A A, . 1958. Chemical constitution: An introduction to the theory of the chemical bond. Amsterdam: Elsevier.
Harvard
Kewtelaar J. A. A., . (1958). Chemical constitution: An introduction to the theory of the chemical bond. Amsterdam: Elsevier.
MLA
Kewtelaar J A A, . Chemical constitution: An introduction to the theory of the chemical bond. Amsterdam: Elsevier. 1958.