Dyfyniad APA

Catelan, M., & Smith, H. A. (2015). Pulsating stars. Wiley.

Dyfyniad Arddull Chicago

Catelan, Márcio, and Horace A. Smith. Pulsating Stars. Weinheim, Germany: Wiley, 2015.

Dyfyniad MLA

Catelan, Márcio, and Horace A. Smith. Pulsating Stars. Wiley, 2015.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.