Gaya APA
Hardin, G. (1964).
Population, Evolution and Birth Control A Collage of Controversial IDEAS .
San Fransisco:
W.H Freeman and Company.
Gaya MLA
Hardin, Garret.
"Population, Evolution and Birth Control A Collage of Controversial IDEAS".
San Fransisco:
W.H Freeman and Company,
1964.
Text.