APA (7th ed.) Citation

Summers, R., Piersma, T., Strann, K., & Wiersma, P. (1998). How do Purple Sandpipers Calidris maritima survive the winter north of the Arctic circle?

Chicago Style (17th ed.) Citation

Summers, R.W, T. Piersma, K.B Strann, and P. Wiersma. How Do Purple Sandpipers Calidris Maritima Survive the Winter North of the Arctic Circle? 1998.

MLA (9th ed.) Citation

Summers, R.W, et al. How Do Purple Sandpipers Calidris Maritima Survive the Winter North of the Arctic Circle? 1998.