Cita APA (7th ed.)

Higgins, R. A. (1970). Engineering metallurgy (2a. ed.). ELBS.

Cita Chicago (17th ed.)

Higgins, Raymond A. Engineering Metallurgy. 2a. ed. s.l: ELBS, 1970.

Cita MLA (9th ed.)

Higgins, Raymond A. Engineering Metallurgy. 2a. ed. ELBS, 1970.