Cita APA (7a ed.)

Macnab, A. (2002). Earth retention systems. McGraw-Hill.

Cita Chicago Style (17a ed.)

Macnab, Alan. Earth Retention Systems. New York [etc.]: McGraw-Hill, 2002.

Cita MLA (9a ed.)

Macnab, Alan. Earth Retention Systems. McGraw-Hill, 2002.