Cita APA

Ellis, M. (1973). Why people play. Prentice Hall of India.

Citación estilo Chicago

Ellis, M.J. Why People Play. New Jersey: Prentice Hall of India, 1973.

Cita MLA

Ellis, M.J. Why People Play. Prentice Hall of India, 1973.

Warning: These citations may not always be 100% accurate.