APA (7e ed.) Bronvermelding

Le Beau, W. (1949). What every family should know. [publisher not identified].

Chicago (17e ed.) Bronvermelding

Le Beau, Walter. What Every Family Should Know. [Place of publication not identified]: [publisher not identified], 1949.

MLA (8e ed.) Bronvermelding

Le Beau, Walter. What Every Family Should Know. [publisher not identified], 1949.