APA (7th ed.) Citation

G, S., G, K., & C, C. (2001). Perineal massage in labour and prevention of perineal trauma: Randomised controlled trial. BMJ: British Medical Journal (International Edition), 322(7297), 1277. https://doi.org/10.1136/bmj.322.7297.1277

Chicago Style (17th ed.) Citation

G, Stamp, Kruzins G, and Crowther C. "Perineal Massage in Labour and Prevention of Perineal Trauma: Randomised Controlled Trial." BMJ: British Medical Journal (International Edition) 322, no. 7297 (2001): 1277. https://doi.org/10.1136/bmj.322.7297.1277.

MLA (9th ed.) Citation

G, Stamp, et al. "Perineal Massage in Labour and Prevention of Perineal Trauma: Randomised Controlled Trial." BMJ: British Medical Journal (International Edition), vol. 322, no. 7297, 2001, p. 1277, https://doi.org/10.1136/bmj.322.7297.1277.

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