Cita APA (7th ed.)

Merrill, G. K., & Von Bitter, P. H. (1977). Apparatus of the Pennsylvanian conodont genus Neognathodus. Royal Ontario Museum.

Cita Chicago (17th ed.)

Merrill, Glen K., i Peter H. Von Bitter. Apparatus of the Pennsylvanian Conodont Genus Neognathodus. Toronto, Canada: Royal Ontario Museum, 1977.

Cita MLA (8th ed.)

Merrill, Glen K., i Peter H. Von Bitter. Apparatus of the Pennsylvanian Conodont Genus Neognathodus. Royal Ontario Museum, 1977.