Osborne, R., & Stevenson, D. W. (2025). The Cycad Botanists (1st ed. 2025.). Springer Nature Switzerland : Imprint: Springer. https://doi.org/10.1007/978-3-031-79082-9
Cita Chicago (17th ed.)Osborne, Roy, i Dennis Wm Stevenson. The Cycad Botanists. 1st ed. 2025. Cham: Springer Nature Switzerland : Imprint: Springer, 2025. https://doi.org/10.1007/978-3-031-79082-9.
Cita MLA (9th ed.)Osborne, Roy, i Dennis Wm Stevenson. The Cycad Botanists. 1st ed. 2025. Springer Nature Switzerland : Imprint: Springer, 2025. https://doi.org/10.1007/978-3-031-79082-9.
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