APA (7th ed.) Zitazioa

Childs, W. H. J. (1972). Physical constants selected for students (9th ed.). Chapman and Hall.

Chicago Style (17th ed.) Zitazioa

Childs, W. H. J. Physical Constants Selected for Students. 9th ed. London: Chapman and Hall, 1972.

MLA (9th ed.) Zitazioa

Childs, W. H. J. Physical Constants Selected for Students. 9th ed. Chapman and Hall, 1972.