Cita APA

Halsey, W. D. E., & Johnston, B. E. (1988). Colliers encyclopedia with bibliography and index.

Citación estilo Chicago

Halsey, William D; Ed, y Bernard; Ed Johnston. Colliers Encyclopedia with Bibliography and Index. New Delhi, Macmillan Educational, 1988.

Cita MLA

Halsey, William D; Ed, y Bernard; Ed Johnston. Colliers Encyclopedia with Bibliography and Index. 1988.