APA

Werff H. V. D., .Key to the genera of Lauraceae in the new world. : .

Chicago

Werff Henk Van Der, .Key to the genera of Lauraceae in the new world. : .

Harvard

Werff H. V. D., .Key to the genera of Lauraceae in the new world. : .

MLA

Werff Henk Van Der, .: . .