APA (7th ed.) Citation

Wingfield, B. How long does it take to get a PhD? Academy of Science of South Africa.

Chicago Style (17th ed.) Citation

Wingfield, Brenda. How Long Does It Take to Get a PhD? Academy of Science of South Africa.

MLA (9th ed.) Citation

Wingfield, Brenda. How Long Does It Take to Get a PhD? Academy of Science of South Africa.

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