Cita APA (7th ed.)
Belousova, L., & Denisova, L. (1992). Rare plants of the world. Oxford & IBH Publishing co..
Cita Chicago (17th ed.)
Belousova, L.S, i L.V Denisova. Rare Plants of the World. New Delhi: Oxford & IBH Publishing co., 1992.
Cita MLA (9th ed.)
Belousova, L.S, i L.V Denisova. Rare Plants of the World. Oxford & IBH Publishing co., 1992.
Atenció: Aquestes cites poden no estar 100% correctes.