APA (7th ed.) Citation

Plug, C. Southern African science in the year 1909 - 100n. Academy of Science of South Africa.

Chicago Style (17th ed.) Citation

Plug, Cornelis. Southern African Science in the Year 1909 - 100n. Academy of Science of South Africa.

MLA (9th ed.) Citation

Plug, Cornelis. Southern African Science in the Year 1909 - 100n. Academy of Science of South Africa.

Warning: These citations may not always be 100% accurate.