Cita APA

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

Chicago Style (17th ed.) Citation

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

Cita MLA

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