APA (7a ed.)

Kritsky, D. C., Boeger, W. a., & Thatcher, V. E. (1986). Neotropical monogenea : 9 status of Trinigyrus Hanek, Molnar, and Fernando, 1974 - Dactylogyridae - with descriptions of two new species from loricariid catfishes from the Brazilian Amazon. Proceedings of the Biological Society of Washington.