APA Edition Citation

B S I. (1981). UDC 56 Palaeontology BS 1000 (56): 1981. B S I.

Chicago Edition Citation

B S I. UDC 56 Palaeontology BS 1000 (56): 1981. London: B S I, 1981.

MLA Edition Citation

B S I. UDC 56 Palaeontology BS 1000 (56): 1981. B S I, 1981.

Warning: These citations may not always be 100% accurate.