Cita APA (7a ed.)

Schneider, E., & Vriends, M. M. (1988). Parakeets. T.F.H. Publications.

Cita Chicago Style (17a ed.)

Schneider, Earl, y Matthew M. Vriends. Parakeets. Neptune City, NJ: T.F.H. Publications, 1988.

Cita MLA (9a ed.)

Schneider, Earl, y Matthew M. Vriends. Parakeets. T.F.H. Publications, 1988.