APA (7e ed.) Bronvermelding

Beck, H. F. (1970). The age of technology. Concordia Pub. House.

Chicago (17e ed.) Bronvermelding

Beck, Hubert F. The Age of Technology. St. Louis: Concordia Pub. House, 1970.

MLA (8e ed.) Bronvermelding

Beck, Hubert F. The Age of Technology. Concordia Pub. House, 1970.