Cita APA

Elford, J., Bolding, G., Davis, M., Sherr, L., & Hart, G. (2004). Trends in sexual behaviour among London homosexual men 1998–2003: Implications for HIV prevention and sexual health promotion. BMJ Group.

Citación estilo Chicago

Elford, J., G. Bolding, M. Davis, L. Sherr, and G. Hart. Trends in Sexual Behaviour Among London Homosexual Men 1998–2003: Implications for HIV Prevention and Sexual Health Promotion. BMJ Group, 2004.

Cita MLA

Elford, J., et al. Trends in Sexual Behaviour Among London Homosexual Men 1998–2003: Implications for HIV Prevention and Sexual Health Promotion. BMJ Group, 2004.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.