Cita APA (7th ed.)

Holzer, H. (1969). Window to the past: Exploring history through esp (First edition.). Doubleday.

Cita Chicago (17th ed.)

Holzer, Hans. Window to the Past: Exploring History Through Esp. First edition. New York: Doubleday, 1969.

Cita MLA (9th ed.)

Holzer, Hans. Window to the Past: Exploring History Through Esp. First edition. Doubleday, 1969.