APA aipamena

Harrington, J. A., & Pool, D. I. (1971). Patterns of survivorship in Upper Volta and Niger, 1969 and 1970. s.n..

Chicago Style aipamena

Harrington, Judith Angela, and D. Ian Pool. Patterns of Survivorship in Upper Volta and Niger, 1969 and 1970. [s.l.: s.n., 1971.

MLA aipamena

Harrington, Judith Angela, and D. Ian Pool. Patterns of Survivorship in Upper Volta and Niger, 1969 and 1970. s.n., 1971.