Cita APA (7a ed.)

Duncan, C., Duncan, S., & Scott, S. (1998). The effects of population density and malnutrition on the dynamics of whooping cough.

Cita Chicago Style (17a ed.)

Duncan, C., S. Duncan, y S. Scott. The Effects of Population Density and Malnutrition on the Dynamics of Whooping Cough. 1998.

Cita MLA (9a ed.)

Duncan, C., et al. The Effects of Population Density and Malnutrition on the Dynamics of Whooping Cough. 1998.