APA (7th ed.) Citation

Von Bitter, P. H., & Merrill, G. K. (1983). Late Palaeozoic species of Ellisonia (Conodontophorida): Evolutionary and palaeoecological significance. Royal Ontario Museum.

Chicago Style (17th ed.) Citation

Von Bitter, Peter H., and Glen K. Merrill. Late Palaeozoic Species of Ellisonia (Conodontophorida): Evolutionary and Palaeoecological Significance. Toronto, Canada: Royal Ontario Museum, 1983.

MLA (9th ed.) Citation

Von Bitter, Peter H., and Glen K. Merrill. Late Palaeozoic Species of Ellisonia (Conodontophorida): Evolutionary and Palaeoecological Significance. Royal Ontario Museum, 1983.