APA (7th ed.) Citation

Seixas, J. S., & Huffman, T. (1981). Tobacco: What it is, what it does. Greenwillow Books.

Chicago Style (17th ed.) Citation

Seixas, Judith S., and Tom Huffman. Tobacco: What It Is, What It Does. New York: Greenwillow Books, 1981.

MLA (9th ed.) Citation

Seixas, Judith S., and Tom Huffman. Tobacco: What It Is, What It Does. Greenwillow Books, 1981.