Citazione Stile APA (7a Edizione)

Heydt, B. V. d. (1993). Candles behind the wall. William B. Eerdmans Publishing Company.

Citazione stile Chigago Style (17a edizione)

Heydt, Barbara Von der. Candles Behind the Wall. Michigan: William B. Eerdmans Publishing Company, 1993.

Citatione MLA (9a ed.)

Heydt, Barbara Von der. Candles Behind the Wall. William B. Eerdmans Publishing Company, 1993.