APA

Hurley A., . (1986). The highest tower. New York: Silhouette.

Chicago

Hurley Ann, . 1986. The highest tower. New York: Silhouette.

Harvard

Hurley A., . (1986). The highest tower. New York: Silhouette.

MLA

Hurley Ann, . The highest tower. New York: Silhouette. 1986.