APA

Judd W. S., Skean Jr, .Key to terminal-flowered genera of Miconieae. : .

Chicago

Judd Walter S, Skean Jr, .Key to terminal-flowered genera of Miconieae. : .

Harvard

Judd W. S., Skean Jr, .Key to terminal-flowered genera of Miconieae. : .

MLA

Judd Walter S, Skean Jr, .: . .