Citazione APA

Brownsey, P. J. (1987). A key to the genera of New Zealand ferns and allied plants. National Museum of New Zealand.

Stile di citazione Chicago

Brownsey, P. J. A Key to the Genera of New Zealand Ferns and Allied Plants. Wellington, N.Z.: National Museum of New Zealand, 1987.

Citazione MLA

Brownsey, P. J. A Key to the Genera of New Zealand Ferns and Allied Plants. National Museum of New Zealand, 1987.