APA (7th ed.) Citation

Wiley, K. (1990). Untying the western water knot. Nature Conservancy Magazine, 40(2), 4.

Chicago Style (17th ed.) Citation

Wiley, Ken. "Untying the Western Water Knot." Nature Conservancy Magazine 40, no. 2 (1990): 4.

MLA (9th ed.) Citation

Wiley, Ken. "Untying the Western Water Knot." Nature Conservancy Magazine, vol. 40, no. 2, 1990, p. 4.