APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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