APA引文

Hegemann, P. Two hundredth anniversary of Humboldt ? University, time for new cooperations with old friends.

Chicago Style (17th ed.) Citation

Hegemann, Peter. Two Hundredth Anniversary of Humboldt ? University, Time for New Cooperations with Old Friends.

MLA引文

Hegemann, Peter. Two Hundredth Anniversary of Humboldt ? University, Time for New Cooperations with Old Friends.

警告：這些引文格式不一定是100％准確.