Cita APA (7a ed.)

Chiu, H., & Hoffmann, W. F. (1964). Gravitation and relativity. W.A. Benjamin.

Cita Chicago Style (17a ed.)

Chiu, Hong-Yee, y William F. Hoffmann. Gravitation and Relativity. New York: W.A. Benjamin, 1964.

Cita MLA (9a ed.)

Chiu, Hong-Yee, y William F. Hoffmann. Gravitation and Relativity. W.A. Benjamin, 1964.