Style de citation APA

Behrens, S. (1977). More people - more energy: It seems obvious enough, but Carter plan ignores population. Zero Population Growth national reporter, 9(4), 8.

Style de citation Chicago

Behrens, S. "More People - More Energy: It Seems Obvious Enough, but Carter Plan Ignores Population." Zero Population Growth National Reporter 9, no. 4 (1977): 8.

Style de citation MLA

Behrens, S. "More People - More Energy: It Seems Obvious Enough, but Carter Plan Ignores Population." Zero Population Growth National Reporter, vol. 9, no. 4, 1977, p. 8.