APA (7th ed.) Citation

Northen, R. T. (1990). Home orchid growing (Fourth ed.). Prentice Hall Press.

Chicago Style (17th ed.) Citation

Northen, Rebecca Tyson. Home Orchid Growing. Fourth ed. New York: Prentice Hall Press, 1990.

MLA (9th ed.) Citation

Northen, Rebecca Tyson. Home Orchid Growing. Fourth ed. Prentice Hall Press, 1990.