APA引文

Stechert-Hafner, Inc, & Bettmann, O. (1939). The Stechert portfolio: Libraries through the ages, a collection of old prints. Stechert.

Chicago Style (17th ed.) Citation

Stechert-Hafner, Inc, and Otto Bettmann. The Stechert Portfolio: Libraries Through the Ages, a Collection of Old Prints. New York: Stechert, 1939.

MLA引文

Stechert-Hafner, Inc, and Otto Bettmann. The Stechert Portfolio: Libraries Through the Ages, a Collection of Old Prints. Stechert, 1939.

警告：這些引文格式不一定是100％准確.