APA (7th ed.) Citation

Arthur, R. (1978). The mystery of the talking skull. (1a. ed.). Random House.

Chicago Style (17th ed.) Citation

Arthur, Robert. The Mystery of the Talking Skull. 1a. ed. Estados Unidos: Random House, 1978.

MLA (9th ed.) Citation

Arthur, Robert. The Mystery of the Talking Skull. 1a. ed. Random House, 1978.