Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.