Cita APA (7a ed.)

Ryan, P. (1971). The invasion of the moon, 1957-1970 (Revised and enlarged ed.). Penguin.

Cita Chicago Style (17a ed.)

Ryan, Peter. The Invasion of the Moon, 1957-1970. Revised and enlarged ed. Harmondsworth: Penguin, 1971.

Cita MLA (8a ed.)

Ryan, Peter. The Invasion of the Moon, 1957-1970. Revised and enlarged ed. Penguin, 1971.