APA引文

Ong, W. J. (1990). Harvard UP Query Letter. St. Louis University. Pius XII Memorial Library.

Chicago Style (17th ed.) Citation

Ong, Walter J. Harvard UP Query Letter. St. Louis University. Pius XII Memorial Library, 1990.

MLA引文

Ong, Walter J. Harvard UP Query Letter. St. Louis University. Pius XII Memorial Library, 1990.

警告：這些引文格式不一定是100％准確.