APA (7th ed.) Citation

(1968). Exotica: Pictorial cyclopedia of exotic plants ; Guide to care of plants indoors ; Horticultural color guide (4., print., rev. ed.). Roehrs.

Chicago Style (17th ed.) Citation

Exotica: Pictorial Cyclopedia of Exotic Plants ; Guide to Care of Plants Indoors ; Horticultural Color Guide. 4., print., rev. ed. Rutherford, NJ: Roehrs, 1968.

MLA (9th ed.) Citation

Exotica: Pictorial Cyclopedia of Exotic Plants ; Guide to Care of Plants Indoors ; Horticultural Color Guide. 4., print., rev. ed. Roehrs, 1968.