APA (7th ed.) Citation

Drees, W. B. (2014). Zygon: 49 years young. Zygon, 49(2), 277-280.

Chicago Style (17th ed.) Citation

Drees, Willem B. "Zygon: 49 Years Young." Zygon 49, no. 2 (2014): 277-280.

MLA (8th ed.) Citation

Drees, Willem B. "Zygon: 49 Years Young." Zygon, vol. 49, no. 2, 2014, pp. 277-280.

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