APA (7th ed.) Citation

Christensen, T., & Christensen, T. (1962). Origin and history of Christian socialism 1848-54. Acta theologica danica.

Chicago Style (17th ed.) Citation

Christensen, Torben, and Torben Christensen. "Origin and History of Christian Socialism 1848-54." Acta Theologica Danica 1962.

MLA (9th ed.) Citation

Christensen, Torben, and Torben Christensen. "Origin and History of Christian Socialism 1848-54." Acta Theologica Danica, 1962.

Warning: These citations may not always be 100% accurate.