APA (7th ed.) Citation

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 (8th ed.) Citation

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

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