Gaya APA

Spark, M. (1967). The Mandelbaum gate, [repr.]. - Penguin, 1745. Tjet. pertama, 1965. . [Harmondsworth]: Penguin Book.

Gaya MLA

Spark, M.. "The Mandelbaum gate, [repr.]. - Penguin, 1745. Tjet. pertama, 1965. ". [Harmondsworth]: Penguin Book, 1967. Buku.