Cita APA (7a ed.)

(1973). Bibliography and zoological taxa of Paul Bartsch / Florence A. Ruhoff ; with a biographical sketch by Harald A. Rehder.

Cita Chicago Style (17a ed.)

Bibliography and Zoological Taxa of Paul Bartsch / Florence A. Ruhoff ; with a Biographical Sketch by Harald A. Rehder. 1973.

Cita MLA (9a ed.)

Bibliography and Zoological Taxa of Paul Bartsch / Florence A. Ruhoff ; with a Biographical Sketch by Harald A. Rehder. 1973.