Gaya APA

Zoehfeld, K, W., Washburn, L. (2004). Did dinosaurus have feathers? (1st ed.--). New York: HarperCollins.

Gaya MLA

Zoehfeld, Kathleen, Weidner., Washburn, Lucia. "Did dinosaurus have feathers?". 1st ed.-- New York: HarperCollins, 2004. Text / Book.