APA (7. basım) Alıntı

Cleal, C. J. (1991). Plant fossils in geological investigation: The palaeozoic. Ellis Horwood, Ltd.

Chicago Style (17. basım) Atıf

Cleal, Christopher J. Plant Fossils in Geological Investigation: The Palaeozoic. New York: Ellis Horwood, Ltd, 1991.

MLA (9th ed.) Atıf

Cleal, Christopher J. Plant Fossils in Geological Investigation: The Palaeozoic. Ellis Horwood, Ltd, 1991.