Cita APA

Brown, E. W., & Shook, C. A. (1964). Planetory theory.

Chicago Edition Citation

Brown, Ernest W., i Clarence A. Shook. Planetory Theory. 1964.

Cita MLA

Brown, Ernest W., i Clarence A. Shook. Planetory Theory. 1964.

Atenció: Aquestes cites poden no estar 100% correctes.