APA引文

University, S. L. (1922). Radio equipment, 1922. Saint Louis University Libraries Digitization Center.

Chicago Style (17th ed.) Citation

University, Saint Louis. Radio Equipment, 1922. Saint Louis University Libraries Digitization Center, 1922.

MLA引文

University, Saint Louis. Radio Equipment, 1922. Saint Louis University Libraries Digitization Center, 1922.

警告：这些引文格式不一定是100％准确.