"Zeitschrift für physiologische Chemie", 19.6 (1895): 521-650. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/bchm1.1895.19.issue-6/issue-files/bchm1.1895.19.issue-6.xml

Zeitschrift für physiologische Chemie (1895), 19(6), pp. 521-650. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/bchm1.1895.19.issue-6/issue-files/bchm1.1895.19.issue-6.xml

Zeitschrift für physiologische Chemie. 1895. 19(6): 521-650. Retrieved 23 May. 2013, from http://www.degruyter.com/view/j/bchm1.1895.19.issue-6/issue-files/bchm1.1895.19.issue-6.xml