APA (7th ed.) Citation

Paqueo, V. B., & Smith, P. (1974). Economic-demographic models: Uses, limitations and research problems. s.n.

Chicago Style (17th ed.) Citation

Paqueo, Vicente B., and Peter Smith. Economic-demographic Models: Uses, Limitations and Research Problems. [S.l: s.n, 1974.

MLA (9th ed.) Citation

Paqueo, Vicente B., and Peter Smith. Economic-demographic Models: Uses, Limitations and Research Problems. s.n, 1974.