Cita APA (7th ed.)

Howell, F. C. (1965). Early man. Time-Life International (Nederland) N.V..

Cita Chicago (17th ed.)

Howell, F. Clark. Early Man. [Amsterdam]: Time-Life International (Nederland) N.V., 1965.

Cita MLA (9th ed.)

Howell, F. Clark. Early Man. Time-Life International (Nederland) N.V., 1965.