APA (7th ed.) Citation

Perkins, L. R. (1999). All alone in the universe. Greenwillow Books.

Chicago Style (17th ed.) Citation

Perkins, Lynne Rae. All Alone in the Universe. New York: Greenwillow Books, 1999.

MLA (9th ed.) Citation

Perkins, Lynne Rae. All Alone in the Universe. Greenwillow Books, 1999.

Warning: These citations may not always be 100% accurate.