Citazione APA

Hoban, T. (1978). Is it red? Is it yellow? Is it blue?: An adventure in color. Greenwillow Books.

Stile di citazione Chicago

Hoban, Tana. Is It Red? Is It Yellow? Is It Blue?: An Adventure in Color. New York: Greenwillow Books, 1978.

Citazione MLA

Hoban, Tana. Is It Red? Is It Yellow? Is It Blue?: An Adventure in Color. Greenwillow Books, 1978.