APA (7th ed.) Citation

Ratnam, S. S. (1991). Contributions to obstetrics & gynaecology. Longman Singapore.

Chicago Style (17th ed.) Citation

Ratnam, S. S. Contributions to Obstetrics & Gynaecology. Singapore: Longman Singapore, 1991.

MLA (8th ed.) Citation

Ratnam, S. S. Contributions to Obstetrics & Gynaecology. Longman Singapore, 1991.

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