APA

Hardin G., . (1993). Living Within Limits. New York: Oxford University Press.

Chicago

Hardin Garrett, . 1993. Living Within Limits. New York: Oxford University Press.

Harvard

Hardin G., . (1993). Living Within Limits. New York: Oxford University Press.

MLA

Hardin Garrett, . Living Within Limits. New York: Oxford University Press. 1993.