APA

Merkel J., Jones H. I., Whitemam N. J., Gottdenker N., Vargas H., Travis E. K., Miller R. E. & Parker P. G. (2007). Microfilariae in Galápagos penguins (Spheniscus mendiculus) and flightless cormorants (Phalacrocorax harrisi). [S.d.]: [s.d.].

Chicago

Merkel Jane, Jones Hugh I, Whitemam Noah J, Gottdenker Nicole, Vargas Hernán, Travis Erika K, Miller R Erick and Parker Patricia G. 2007. Microfilariae in Galápagos penguins (Spheniscus mendiculus) and flightless cormorants (Phalacrocorax harrisi). [S.d.]: [s.d.].

Harvard

Merkel J., Jones H. I., Whitemam N. J., Gottdenker N., Vargas H., Travis E. K., Miller R. E. and Parker P. G. (2007). Microfilariae in Galápagos penguins (Spheniscus mendiculus) and flightless cormorants (Phalacrocorax harrisi). [S.d.]: [s.d.].

MLA

Merkel Jane, Jones Hugh I, Whitemam Noah J, Gottdenker Nicole, Vargas Hernán, Travis Erika K, Miller R Erick and Parker Patricia G. Microfilariae in Galápagos penguins (Spheniscus mendiculus) and flightless cormorants (Phalacrocorax harrisi). [S.d.]: [s.d.]. 2007.