Cita APA (7a ed.)

Hollis,S. and R.K. Brummitt. (1992). World Geographical Scheme for Recording Plant Distributions. International Working Group.Tax.DB Pl.Sc.

Cita Chicago Style (17a ed.)

Hollis,S. and R.K. Brummitt. World Geographical Scheme for Recording Plant Distributions. Pittsburg - EEUU: International Working Group.Tax.DB Pl.Sc, 1992.

Cita MLA (8a ed.)

Hollis,S. and R.K. Brummitt. World Geographical Scheme for Recording Plant Distributions. International Working Group.Tax.DB Pl.Sc, 1992.