Παραπομπή σε μορφή APA (7η εκδ.)

Skead, C. J. (1965). Birds of the Albany (Grahamstown) District. Percy FitzPatrick Institute of African Ornithology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Skead, C. J. Birds of the Albany (Grahamstown) District. [Rondebosch, C.P., South Africa]: Percy FitzPatrick Institute of African Ornithology, 1965.

Παραπομπή σε μορφή MLA (8th εκδ.)

Skead, C. J. Birds of the Albany (Grahamstown) District. Percy FitzPatrick Institute of African Ornithology, 1965.