APA (7th ed.) Citation

Bartlett, F. H. Christmas in Austria; or, Fritzl's friends.

Chicago Style (17th ed.) Citation

Bartlett, Frances; Hoxie. Christmas in Austria; or, Fritzl's Friends.

MLA (9th ed.) Citation

Bartlett, Frances; Hoxie. Christmas in Austria; or, Fritzl's Friends.

Warning: These citations may not always be 100% accurate.