"Hoppe-Seyler´s Zeitschrift für physiologische Chemie", 53.6 (1907): 429-546. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/bchm2.1907.53.issue-6/issue-files/bchm2.1907.53.issue-6.xml

Hoppe-Seyler´s Zeitschrift für physiologische Chemie (1907), 53(6), pp. 429-546. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/bchm2.1907.53.issue-6/issue-files/bchm2.1907.53.issue-6.xml

Hoppe-Seyler´s Zeitschrift für physiologische Chemie. 1907. 53(6): 429-546. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/bchm2.1907.53.issue-6/issue-files/bchm2.1907.53.issue-6.xml