APA引文

Schulze, W. (1973). A new geography of Liberia. Longman group.

Chicago Style (17th ed.) Citation

Schulze, Willi. A New Geography of Liberia. London: Longman group, 1973.

MLA引文

Schulze, Willi. A New Geography of Liberia. Longman group, 1973.

警告:這些引文格式不一定是100%准確.