APA (7th ed.) Citation

Pfahl, P. B., & Pfahl, P. B. (1983). The retail florist business (4th ed.). Interstate Printers & Publishers.

Chicago Style (17th ed.) Citation

Pfahl, Peter Blair, and P. Blair Pfahl. The Retail Florist Business. 4th ed. Danville, Ill.: Interstate Printers & Publishers, 1983.

MLA (9th ed.) Citation

Pfahl, Peter Blair, and P. Blair Pfahl. The Retail Florist Business. 4th ed. Interstate Printers & Publishers, 1983.