Cita APA (7a ed.)
Grimsdell, J., & Westley, S. (1981). Low-level aerial survey techniques. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Grimsdell, J.J.R, y S. Westley. Low-level Aerial Survey Techniques. International Livestock Centre for Africa, 1981.
Cita MLA (9a ed.)
Grimsdell, J.J.R, y S. Westley. Low-level Aerial Survey Techniques. International Livestock Centre for Africa, 1981.
Precaución: Estas citas no son 100% exactas.