APA引文

Willkomm, H. W. (1911). Uber Richard Johnsons Seven champions of Christendom (1596).

Chicago Style (17th ed.) Citation

Willkomm, Hans Werner. Uber Richard Johnsons Seven Champions of Christendom (1596). [Berlin], 1911.

MLA引文

Willkomm, Hans Werner. Uber Richard Johnsons Seven Champions of Christendom (1596). 1911.

警告：这些引文格式不一定是100％准确.