APA Edition Citation

Woolley, R., & Stibbs, D. W. N. Outer layers of a star.

Chicago Edition Citation

Woolley, R., and D. W. N. Stibbs. Outer Layers of a Star.

MLA Edition Citation

Woolley, R., and D. W. N. Stibbs. Outer Layers of a Star.

Warning: These citations may not always be 100% accurate.