APA-Zitierstil (7. Ausg.)

Wray, R. D. (2009). Christmas trees for pleasure and profit (4th ed.). Rutgers University Press.

Chicago-Zitierstil (17. Ausg.)

Wray, Robert D. Christmas Trees for Pleasure and Profit. 4th ed. New Brunswick, N.J: Rutgers University Press, 2009.

MLA-Zitierstil (9. Ausg.)

Wray, Robert D. Christmas Trees for Pleasure and Profit. 4th ed. Rutgers University Press, 2009.