Johnson, Craig (Ed.). Seaweed Invasions. Berlin, Boston: De Gruyter, 2013. Web. Retrieved 18 May. 2013, from http://www.degruyter.com/view/product/44644

Johnson, C. (Ed.) (2013). Seaweed Invasions. Berlin, Boston: De Gruyter. Retrieved 18 May. 2013, from http://www.degruyter.com/view/product/44644

Johnson, Craig (Ed.). 2013. Seaweed Invasions. Berlin, Boston: De Gruyter. Retrieved 18 May. 2013, from http://www.degruyter.com/view/product/44644