Cita APA (7a ed.)

COWAN, H. J., & COWAN, H. J. (1981). Structural System. Van Nostrand Reinhold Company.

Cita Chicago Style (17a ed.)

COWAN, Henry J., y Henry J. COWAN. Structural System. Van Nostrand Reinhold Company, 1981.

Cita MLA (8a ed.)

COWAN, Henry J., y Henry J. COWAN. Structural System. Van Nostrand Reinhold Company, 1981.