Graf, A. B. (1992). Tropica: Color cyclopedia of exotic plants and trees for warm-region horticulture, in cool climate, the summer garden, or sheltered indoors (4th. ed.). East Rutherford, N.J: Roehrs Co.
Chicago Style CitationGraf, Alfred Byrd. Tropica: Color Cyclopedia of Exotic Plants and Trees for Warm-region Horticulture, in Cool Climate, the Summer Garden, or Sheltered Indoors. 4th. ed. East Rutherford, N.J: Roehrs Co, 1992.
MLA CitationGraf, Alfred Byrd. Tropica: Color Cyclopedia of Exotic Plants and Trees for Warm-region Horticulture, in Cool Climate, the Summer Garden, or Sheltered Indoors. 4th. ed. East Rutherford, N.J: Roehrs Co, 1992.
Warning: These citations may not always be 100% accurate.