Cita APA (7a ed.)

Freudenthal, H. (1978). Weeding and sowing. D. Reidel Publishing Company.

Cita Chicago Style (17a ed.)

Freudenthal, Hans. Weeding and Sowing. Dordecht ; Boston: D. Reidel Publishing Company, 1978.

Cita MLA (9a ed.)

Freudenthal, Hans. Weeding and Sowing. D. Reidel Publishing Company, 1978.