APA (7th ed.) Citation

Redshaw, M., & Heikkilä, K. (2011). Ethnic differences in women's worries about labour and birth.

Chicago Style (17th ed.) Citation

Redshaw, M., and K. Heikkilä. Ethnic Differences in Women's Worries About Labour and Birth. 2011.

MLA (9th ed.) Citation

Redshaw, M., and K. Heikkilä. Ethnic Differences in Women's Worries About Labour and Birth. 2011.

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