Cita APA

Poskitt, E. M., Cole, T. J., & Lawson, D. E. (1979). Diet, sunlight, and 25-hydroxy vitamin D in healthy children and adults.

Chicago Style Citation

Poskitt, E M., T J. Cole, i D E. Lawson. Diet, Sunlight, and 25-hydroxy Vitamin D in Healthy Children and Adults. 1979.

Cita MLA

Poskitt, E M., T J. Cole, i D E. Lawson. Diet, Sunlight, and 25-hydroxy Vitamin D in Healthy Children and Adults. 1979.