Cita APA (7th ed.)

Clark, A. N. (1976). Secret of the Andes. Pufiin Books.

Cita Chicago (17th ed.)

Clark, Ann Nolan. Secret of the Andes. New York: Pufiin Books, 1976.

Cita MLA (9th ed.)

Clark, Ann Nolan. Secret of the Andes. Pufiin Books, 1976.