How do you culture Cutibacterium acnes?
Douglas &amp; Gunter (1946) The Taxonomic Position of Corynebacterium acnes. J Bacteriol 52: 15-23.

This is the paper, in which Corynebacterium acnes was proposed to be transferred to the genus Propionibacterium as Propionibacterium acnes, and it contains a detailed description of the cultivation procedure.