APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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