APA

Rizzini C. T., Heringer E. P., . (2006). Underground organs of plants from some southern brazilian savannas, with special reference to the xylopodium / C. T. Rizzini; E. P. Heringer. : .

Chicago

Rizzini Carlos Toledo, Heringer Ezechias P, . 2006. Underground organs of plants from some southern brazilian savannas, with special reference to the xylopodium / C. T. Rizzini; E. P. Heringer. : .

Harvard

Rizzini C. T., Heringer E. P., . (2006). Underground organs of plants from some southern brazilian savannas, with special reference to the xylopodium / C. T. Rizzini; E. P. Heringer. : .

MLA

Rizzini Carlos Toledo, Heringer Ezechias P, . Underground organs of plants from some southern brazilian savannas, with special reference to the xylopodium / C. T. Rizzini; E. P. Heringer. : . 2006.