Barrett, R. T., Nilsen, E. B., & Anker-Nilssen, T. (2012). Long-term decline in egg size of Atlantic puffins Fratercula arctica is related to changes in forage fish stocks and climate conditions. Marine Ecology Progress Series, 457, 1.
Chicago Style (17th ed.) CitationBarrett, Robert T., Erlend Birkeland Nilsen, and Tycho Anker-Nilssen. "Long-term Decline in Egg Size of Atlantic Puffins Fratercula Arctica Is Related to Changes in Forage Fish Stocks and Climate Conditions." Marine Ecology Progress Series 457 (2012): 1.
MLA (9th ed.) CitationBarrett, Robert T., et al. "Long-term Decline in Egg Size of Atlantic Puffins Fratercula Arctica Is Related to Changes in Forage Fish Stocks and Climate Conditions." Marine Ecology Progress Series, vol. 457, 2012, p. 1.
Warning: These citations may not always be 100% accurate.