APA

Chard Ch. S, . (1969). Man in prehistory. N. Y: McGraw-Hill book company.

Chicago

Chard Ch. S, . 1969. Man in prehistory. N. Y: McGraw-Hill book company.

Harvard

Chard Ch. S, . (1969). Man in prehistory. N. Y: McGraw-Hill book company.

MLA

Chard Ch. S, . Man in prehistory. N. Y: McGraw-Hill book company. 1969.