Cita APA (7a ed.)

Lewis, A., & Pomeroy, D. E. (1989). A bird atlas of Kenya. A.A. Balkema.

Cita Chicago Style (17a ed.)

Lewis, Adrian, y D. E. Pomeroy. A Bird Atlas of Kenya. Rotterdam ; Brookfield, VT: A.A. Balkema, 1989.

Cita MLA (9a ed.)

Lewis, Adrian, y D. E. Pomeroy. A Bird Atlas of Kenya. A.A. Balkema, 1989.