Cita APA (7th ed.)

Zamudio, S. (1988). Two new species of Pinguicula (Lentibulariaceae) from central and northern Mexico. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Zamudio, Sergio. Two New Species of Pinguicula (Lentibulariaceae) from Central and Northern Mexico. Instituto de Ecología, A.C, 1988.

Cita MLA (9th ed.)

Zamudio, Sergio. Two New Species of Pinguicula (Lentibulariaceae) from Central and Northern Mexico. Instituto de Ecología, A.C, 1988.