Cita APA (7a ed.)

Grünbaum, A. (1960). Space and time. U.S. Information Agency.

Cita Chicago Style (17a ed.)

Grünbaum, Adolf. Space and Time. Washington: U.S. Information Agency, 1960.

Cita MLA (9a ed.)

Grünbaum, Adolf. Space and Time. U.S. Information Agency, 1960.