Cita APA

Dennis, P. O., & Dennis, P. O. (1980). Food control in action. London, Sydney: Applied Science.

Citación estilo Chicago

Dennis, P. O., y P. O. Dennis. Food Control in Action. London, Sydney: Applied Science, 1980.

Cita MLA

Dennis, P. O., y P. O. Dennis. Food Control in Action. London, Sydney: Applied Science, 1980.