Fraas, E. (1913). Neue labyrinthodonten aus der schwabischen trias. [publisher not identified].
Chicago Style (17th ed.) CitationFraas, E. Neue Labyrinthodonten Aus Der Schwabischen Trias. Stuttgart: [publisher not identified], 1913.
MLA (9th ed.) CitationFraas, E. Neue Labyrinthodonten Aus Der Schwabischen Trias. [publisher not identified], 1913.
Warning: These citations may not always be 100% accurate.