APA Style

Steele, Philip. (1995). I Wonder Why : Pyramids Were Built . New York :: Grolier.

Chicago Style

Steele, Philip. I Wonder Why : Pyramids Were Built. New York :: Grolier, 1995. Text.

MLA Style

Steele, Philip. I Wonder Why : Pyramids Were Built. New York :: Grolier, 1995. Text.

Turabian Style

Steele, Philip. I Wonder Why : Pyramids Were Built. New York :: Grolier, 1995. Print.