Cita APA

Dyson, P., Morris, R., & Holman, R. (1997). Dietary intake screening by means of a food-frequency questionnaire.

Citación estilo Chicago

Dyson, P., R. Morris, and R. Holman. Dietary Intake Screening by Means of a Food-frequency Questionnaire. 1997.

Cita MLA

Dyson, P., et al. Dietary Intake Screening by Means of a Food-frequency Questionnaire. 1997.