Cita APA (7a ed.)

Spiegel, L., & Spiegel, L. (1986). Applied Structural Steel Design Leonard Spiegel And George F. Limbrunner. Prentice-Hall.

Cita Chicago Style (17a ed.)

Spiegel, Leonard, y Leonard Spiegel. Applied Structural Steel Design Leonard Spiegel And George F. Limbrunner. Prentice-Hall, 1986.

Cita MLA (8a ed.)

Spiegel, Leonard, y Leonard Spiegel. Applied Structural Steel Design Leonard Spiegel And George F. Limbrunner. Prentice-Hall, 1986.