Cita APA (7th ed.)

Einstein, A. (1961). Relativity: The special and the general theory; a popular exposition ([17th ed.].). Crown Publishers.

Cita Chicago (17th ed.)

Einstein, Albert. Relativity: The Special and the General Theory; a Popular Exposition. [17th ed.]. New York: Crown Publishers, 1961.

Cita MLA (9th ed.)

Einstein, Albert. Relativity: The Special and the General Theory; a Popular Exposition. [17th ed.]. Crown Publishers, 1961.