MLA
Campbell, George S., and David F.J. Campbell. "The Semi-Aquatic Theory: Semi-Aquatic Evolutionary Phase and Environment, Language Development of Modern Humans. With a Short Epilog on Conceptualized Evolution, Social Ecology and the Quintuple Helix." IJSESD vol.2, no.1 2011: pp.15-30. http://doi.org/10.4018/jsesd.2011010102
APA
Campbell, G. S. & Campbell, D. F. (2011). The Semi-Aquatic Theory: Semi-Aquatic Evolutionary Phase and Environment, Language Development of Modern Humans. With a Short Epilog on Conceptualized Evolution, Social Ecology and the Quintuple Helix. International Journal of Social Ecology and Sustainable Development (IJSESD), 2 (1), 15-30. http://doi.org/10.4018/jsesd.2011010102
Chicago
Campbell, George S., and David F.J. Campbell. "The Semi-Aquatic Theory: Semi-Aquatic Evolutionary Phase and Environment, Language Development of Modern Humans. With a Short Epilog on Conceptualized Evolution, Social Ecology and the Quintuple Helix," International Journal of Social Ecology and Sustainable Development (IJSESD) 2, no.1: 15-30. http://doi.org/10.4018/jsesd.2011010102
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