APA (7th ed.) Citation

Andreev, E., Lutz, W., & Ščerbov, S. (1989). Averaging life expectancy.

Chicago Style (17th ed.) Citation

Andreev, Evgenij, Wolfgang Lutz, and Sergej Ščerbov. Averaging Life Expectancy. Laxenburg, 1989.

MLA (9th ed.) Citation

Andreev, Evgenij, et al. Averaging Life Expectancy. 1989.

Warning: These citations may not always be 100% accurate.