APA

Brauns F. E., Brauns D. A., . (1952). The chemistry of lignin. New York, NY: Academic Press.

Chicago

Brauns Friedrich Emil, Brauns Dorothy Alexandra, . 1952. The chemistry of lignin. New York, NY: Academic Press.

Harvard

Brauns F. E., Brauns D. A., . (1952). The chemistry of lignin. New York, NY: Academic Press.

MLA

Brauns Friedrich Emil, Brauns Dorothy Alexandra, . The chemistry of lignin. New York, NY: Academic Press. 1952.