APA (7th ed.) Citation

Young, S. E., Halliwell, R. S., Hartley, H. O., Ibert, E. R., & Leinweber, C. L. (1969). Use of tritiated water to determine water relationships in pricklypear (Opuntia spp.).

Chicago Style (17th ed.) Citation

Young, Sylvester Emory, Robert S. Halliwell, H. O. Hartley, Edward R. Ibert, and C. L. Leinweber. Use of Tritiated Water to Determine Water Relationships in Pricklypear (Opuntia Spp.). [College Station, Tex.], 1969.

MLA (9th ed.) Citation

Young, Sylvester Emory, et al. Use of Tritiated Water to Determine Water Relationships in Pricklypear (Opuntia Spp.). 1969.