APA (7th ed.) Citation

Pressat, R., & Leridon, H. B. i. :. n. e. d. (1980). Interpretation of short-term birth rate variations. United Nations.

Chicago Style (17th ed.) Citation

Pressat, Roland, and Henri. Birth intervals : new empirical data Leridon. Interpretation of Short-term Birth Rate Variations. New York: United Nations, 1980.

MLA (9th ed.) Citation

Pressat, Roland, and Henri. Birth intervals : new empirical data Leridon. Interpretation of Short-term Birth Rate Variations. United Nations, 1980.