APA引文

Claude, R. (1960). The soul of Pier-Giorgio Frassati. Spiritual Book Association.

Chicago Style (17th ed.) Citation

Claude, Robert. The Soul of Pier-Giorgio Frassati. New York: Spiritual Book Association, 1960.

MLA引文

Claude, Robert. The Soul of Pier-Giorgio Frassati. Spiritual Book Association, 1960.

警告：这些引文格式不一定是100％准确.