Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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