APA (7th ed.) Citation

James, E., & Barkin, C. (1978). How to keep a secret: Writing and talking in code. Lothrop, Lee & Shepard, div. of Morrow.

Chicago Style (17th ed.) Citation

James, Elizabeth, and Carol Barkin. How to Keep a Secret: Writing and Talking in Code. New York: Lothrop, Lee & Shepard, div. of Morrow, 1978.

MLA (9th ed.) Citation

James, Elizabeth, and Carol Barkin. How to Keep a Secret: Writing and Talking in Code. Lothrop, Lee & Shepard, div. of Morrow, 1978.