APA (7th ed.) Citation

Yusuf, F., & Briggs, D. (1991). Abortion in South Australia, 1971-86 - An update.

Chicago Style (17th ed.) Citation

Yusuf, Farhat, and Dora Briggs. Abortion in South Australia, 1971-86 - An Update. 1991.

MLA (9th ed.) Citation

Yusuf, Farhat, and Dora Briggs. Abortion in South Australia, 1971-86 - An Update. 1991.

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