Cita APA (7a ed.)

Cowan, H. J. (1958). Time and its measurement: From the stone age to the nuclear age. World Publishing Company.

Cita Chicago Style (17a ed.)

Cowan, Harrison J. Time and Its Measurement: From the Stone Age to the Nuclear Age. Cleveland [etc.]: World Publishing Company, 1958.

Cita MLA (9a ed.)

Cowan, Harrison J. Time and Its Measurement: From the Stone Age to the Nuclear Age. World Publishing Company, 1958.