APA引文

Swidler, E. The recurring dark ages : Ecological stress, climate changes, and system transformation: Book review.

Trích dẫn kiểu Chicago

Swidler, Eva-Maria. The Recurring Dark Ages : Ecological Stress, Climate Changes, and System Transformation: Book Review.

MLA引文

Swidler, Eva-Maria. The Recurring Dark Ages : Ecological Stress, Climate Changes, and System Transformation: Book Review.

警告：這些引文格式不一定是100％准確.