APA (7th ed.) Citation

Janssen, T. (1973). Crystallographic groups. North-Holland Publ. [u.a.].

Chicago Style (17th ed.) Citation

Janssen, T. Crystallographic Groups. Amsterdam [u.a.]: North-Holland Publ. [u.a.], 1973.

MLA (9th ed.) Citation

Janssen, T. Crystallographic Groups. North-Holland Publ. [u.a.], 1973.