Cita APA (7a ed.)
Boulton, E. R., Horne, M., & Todd, C. (2018). Multiple influences on participating in physical activity in older age: Developing a social ecological approach. Health Expectations, 21(1), 239-249.
Cita Chicago Style (17a ed.)
Boulton, Elisabeth R., Maria Horne, y Chris Todd. "Multiple Influences on Participating in Physical Activity in Older Age: Developing a Social Ecological Approach." Health Expectations 21, no. 1 (2018): 239-249.
Cita MLA (9a ed.)
Boulton, Elisabeth R., et al. "Multiple Influences on Participating in Physical Activity in Older Age: Developing a Social Ecological Approach." Health Expectations, vol. 21, no. 1, 2018, pp. 239-249.
Precaución: Estas citas no son 100% exactas.