APA

Milne L. J., Milne M. J. G., . (1968). The ages of life: a new look at the effects of time on mankind and other living things. New York: Harcourt, Brace & World.

Chicago

Milne Lorus Johnson, Milne Margery Joan Greene, . 1968. The ages of life: a new look at the effects of time on mankind and other living things. New York: Harcourt, Brace & World.

Harvard

Milne L. J., Milne M. J. G., . (1968). The ages of life: a new look at the effects of time on mankind and other living things. New York: Harcourt, Brace & World.

MLA

Milne Lorus Johnson, Milne Margery Joan Greene, . The ages of life: a new look at the effects of time on mankind and other living things. New York: Harcourt, Brace & World. 1968.