Cita APA (7th ed.)

Von Bitter, P. H. (1976). The apparatus of Gondolella sublanceolata Gunnell, Conodontophorida, Upper Pennsylvanian, and its relationship to Illinella typica Rhodes. Royal Ontario Museum.

Cita Chicago (17th ed.)

Von Bitter, Peter H. The Apparatus of Gondolella Sublanceolata Gunnell, Conodontophorida, Upper Pennsylvanian, and Its Relationship to Illinella Typica Rhodes. Toronto: Royal Ontario Museum, 1976.

Cita MLA (8th ed.)

Von Bitter, Peter H. The Apparatus of Gondolella Sublanceolata Gunnell, Conodontophorida, Upper Pennsylvanian, and Its Relationship to Illinella Typica Rhodes. Royal Ontario Museum, 1976.