Gaya APA

welding, G, U, W, S, V, 2, V. (1987). Growing up with science: volume 21 volcano/ welding . New York: Websters Unified H.S. Stuttman Inc.

Gaya MLA

welding, Growing, Up, With, Science:, Volume, 21, Volcano/. "Growing up with science: volume 21 volcano/ welding". New York: Websters Unified H.S. Stuttman Inc, 1987. Text.