Macan, T. (1970). A key to the nymphs of the British species of Ephemeroptera with notes on their ecology (2nd ed.). Freshwater Biological Association.
Cita Chicago Style (17a ed.)Macan, T.T. A Key to the Nymphs of the British Species of Ephemeroptera with Notes on Their Ecology. 2nd ed. [Ambleside]: Freshwater Biological Association, 1970.
Cita MLA (9a ed.)Macan, T.T. A Key to the Nymphs of the British Species of Ephemeroptera with Notes on Their Ecology. 2nd ed. Freshwater Biological Association, 1970.
Precaución: Estas citas no son 100% exactas.