(1981). The ammonoidea: The evolution, classification, mode of life and geolog. usefulness of a major fossil group. Proceedings of an internat. symposium held at the Univ. of York. Acad. Pr.
Chicago-Zitierstil (17. Ausg.)The Ammonoidea: The Evolution, Classification, Mode of Life and Geolog. Usefulness of a Major Fossil Group. Proceedings of an Internat. Symposium Held at the Univ. of York. London (u.a.): Acad. Pr, 1981.
MLA-Zitierstil (9. Ausg.)The Ammonoidea: The Evolution, Classification, Mode of Life and Geolog. Usefulness of a Major Fossil Group. Proceedings of an Internat. Symposium Held at the Univ. of York. Acad. Pr, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.