Cita APA (7a ed.)

Young, S. L., Wilson, M. J., Miller, D., & Hillier, S. (2008). Toward a comprehensive approach to the collection and analysis of pica substances, with emphasis on geophagic materials. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Young, Sera L., M Jeffrey Wilson, Dennis Miller, y Stephen Hillier. Toward a Comprehensive Approach to the Collection and Analysis of Pica Substances, with Emphasis on Geophagic Materials. Public Library of Science (PLoS), 2008.

Cita MLA (8a ed.)

Young, Sera L., et al. Toward a Comprehensive Approach to the Collection and Analysis of Pica Substances, with Emphasis on Geophagic Materials. Public Library of Science (PLoS), 2008.