Reference - publication format

Hertz, M. 1927. Die Ophiuroiden der Deutschen Tiefsee-Expedition. I. Chilophiurida Mats. (Ophiolepididae, Ophioleucidae, Ophiodermatidae, Ophiocomidae). Wiss. Ergebn. Dt. Tiefsee-Exped. 'Valdivia' 1898-1899, 22 (2): 57-122.