Sporne, K. R. (1965). The Morphology of gymnosperms : the structure and evolution of primitive seed-plants: The structure and evolution of primitive seed-plants. Hutchinson University Library.
Chicago Style (17th ed.) CitationSporne, K. R. The Morphology of Gymnosperms : The Structure and Evolution of Primitive Seed-plants: The Structure and Evolution of Primitive Seed-plants. London: Hutchinson University Library, 1965.
MLA (9th ed.) CitationSporne, K. R. The Morphology of Gymnosperms : The Structure and Evolution of Primitive Seed-plants: The Structure and Evolution of Primitive Seed-plants. Hutchinson University Library, 1965.
Warning: These citations may not always be 100% accurate.