Citazione Stile APA (7a Edizione)

Diedrich, C. G. (2015). Sophie's cave (Germany)-- a late Pleistocene cave bear den. Bentham Science Publishers, Limited.

Citazione stile Chigago Style (17a edizione)

Diedrich, Cajus G. Sophie's Cave (Germany)-- a Late Pleistocene Cave Bear Den. Sharjah: Bentham Science Publishers, Limited, 2015.

Citatione MLA (9a ed.)

Diedrich, Cajus G. Sophie's Cave (Germany)-- a Late Pleistocene Cave Bear Den. Bentham Science Publishers, Limited, 2015.