Sandberg, P. (1967). Stereogram book of fossils: Photographs of invertebrate fossils in 3 dimensions, for stereoscope viewing in geology, paleontology, biology. Hubbard Scientific Company.
Cita Chicago Style (17a ed.)Sandberg, Philip. Stereogram Book of Fossils: Photographs of Invertebrate Fossils in 3 Dimensions, for Stereoscope Viewing in Geology, Paleontology, Biology. Northbrook, Illinois: Hubbard Scientific Company, 1967.
Cita MLA (8a ed.)Sandberg, Philip. Stereogram Book of Fossils: Photographs of Invertebrate Fossils in 3 Dimensions, for Stereoscope Viewing in Geology, Paleontology, Biology. Hubbard Scientific Company, 1967.
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