Cita APA

Feinsinger, P. Organization of a tropical guild of nectarivorous birds. [s.l.]: [s.n.].

Citación estilo Chicago

Feinsinger, Peter. Organization of a Tropical Guild of Nectarivorous Birds. [s.l.]: [s.n.].

Cita MLA

Feinsinger, Peter. Organization of a Tropical Guild of Nectarivorous Birds. [s.l.]: [s.n.].