APA (7th ed.) Citation

Gould, S. J., Gilinsky, N. L., & German, R. Z. (1987). Asymmetry of lineages and the direction of evolutionary time.

Chicago Style (17th ed.) Citation

Gould, Stephen Jay, Norman L. Gilinsky, and Rebecca Z. German. Asymmetry of Lineages and the Direction of Evolutionary Time. 1987.

MLA (9th ed.) Citation

Gould, Stephen Jay, et al. Asymmetry of Lineages and the Direction of Evolutionary Time. 1987.