Le Beau, W. (1949). What every family should know. [publisher not identified].
Style de citation Chicago (17e éd.)Le Beau, Walter. What Every Family Should Know. [Place of publication not identified]: [publisher not identified], 1949.
Style de citation MLA (8e éd.)Le Beau, Walter. What Every Family Should Know. [publisher not identified], 1949.
Attention : ces citations peuvent ne pas être correctes à 100%.