Cita APA

Halsey, W. D. .. [. a. (1967). Collier's encyclopedia. United States of America: Crowell Collier and MacMillan.

Citación estilo Chicago

Halsey, William D. ... [et al.]. Collier's Encyclopedia. United States of America: Crowell Collier and MacMillan, 1967.

Cita MLA

Halsey, William D. ... [et al.]. Collier's Encyclopedia. United States of America: Crowell Collier and MacMillan, 1967.

Precaución: Estas citas no son 100% exactas.