APA (7th ed.) Citation

Rogers, M. N., & Tjia, B. O. S. (1990). Gerbera production for cut flowers and pot plants. Timber.

Chicago Style (17th ed.) Citation

Rogers, Marlin N., and Benny Oen Swie Tjia. Gerbera Production for Cut Flowers and Pot Plants. Portland: Timber, 1990.

MLA (9th ed.) Citation

Rogers, Marlin N., and Benny Oen Swie Tjia. Gerbera Production for Cut Flowers and Pot Plants. Timber, 1990.