Cita APA

Welte, A. F., & Welte, A. F. (1962). Your science fair: An ooportunity for youth, a guidebook to successful science exhibits. Minneapolis: Burgess.

Citación estilo Chicago

Welte, Arden F., y Arden F. Welte. Your Science Fair: An Ooportunity for Youth, a Guidebook to Successful Science Exhibits. Minneapolis: Burgess, 1962.

Cita MLA

Welte, Arden F., y Arden F. Welte. Your Science Fair: An Ooportunity for Youth, a Guidebook to Successful Science Exhibits. Minneapolis: Burgess, 1962.