APA (7th ed.) Citation

Higgins, A. C., & Austin, R. L. (1985). A Stratigraphical index of conodonts. Published by Ellis Horwood Limited for the British Micropalaeontological Society.

Chicago Style (17th ed.) Citation

Higgins, A. C., and R. L. Austin. A Stratigraphical Index of Conodonts. Chichester: Published by Ellis Horwood Limited for the British Micropalaeontological Society, 1985.

MLA (9th ed.) Citation

Higgins, A. C., and R. L. Austin. A Stratigraphical Index of Conodonts. Published by Ellis Horwood Limited for the British Micropalaeontological Society, 1985.