Style de citation APA

Willson, P. D. (1977). Backing seen of population policy in AID. Zero Population Growth national reporter, 9(4), 3.

Style de citation Chicago

Willson, P D. "Backing Seen of Population Policy in AID." Zero Population Growth National Reporter 9, no. 4 (1977): 3.

Style de citation MLA

Willson, P D. "Backing Seen of Population Policy in AID." Zero Population Growth National Reporter, vol. 9, no. 4, 1977, p. 3.