Cita APA (7a ed.)

O'Keefe, J. A. (1963). Tektites. University of Chicago.

Cita Chicago Style (17a ed.)

O'Keefe, John A. Tektites. Chicago: University of Chicago, 1963.

Cita MLA (9a ed.)

O'Keefe, John A. Tektites. University of Chicago, 1963.