APA način citiranja

Aspden, R. M., & Porter, R. W. (1995). Lumbar spine disorders: Current concepts. Singapore; New Jersey: World Scientific.

Čikaški stil citiranja

Aspden, R. M., i R. W. Porter. Lumbar Spine Disorders: Current Concepts. Singapore; New Jersey: World Scientific, 1995.

MLA način citiranja

Aspden, R. M., i R. W. Porter. Lumbar Spine Disorders: Current Concepts. Singapore; New Jersey: World Scientific, 1995.