APA (7th ed.) Citation

Tunis, J. R. (1987). Keystone kids (Repr.). Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Tunis, John Roberts. Keystone Kids. Repr. San Diego, Austin, Orlando: Harcourt Brace Jovanovich, 1987.

MLA (9th ed.) Citation

Tunis, John Roberts. Keystone Kids. Repr. Harcourt Brace Jovanovich, 1987.