APA引文

South African Committee for Stratigraphy. (1989). Chronostratigraphic series. Republic of South Africa, Dept. of Mineral and Energy Affairs, Geological Survey.

Chicago Style (17th ed.) Citation

South African Committee for Stratigraphy. Chronostratigraphic Series. Pretoria: Republic of South Africa, Dept. of Mineral and Energy Affairs, Geological Survey, 1989.

MLA引文

South African Committee for Stratigraphy. Chronostratigraphic Series. Republic of South Africa, Dept. of Mineral and Energy Affairs, Geological Survey, 1989.

警告：這些引文格式不一定是100％准確.