APA (7th ed.) Citation

Northen, R. T. (1976). Orchids as house plants (2d rev. ed.). Dover Publications.

Chicago Style (17th ed.) Citation

Northen, Rebecca Tyson. Orchids as House Plants. 2d rev. ed. New York: Dover Publications, 1976.

MLA (9th ed.) Citation

Northen, Rebecca Tyson. Orchids as House Plants. 2d rev. ed. Dover Publications, 1976.