Cita APA (7a ed.)

Swift,Lloyd H. (1974). Botanical classifications: A comparison of eight systems of angiosperm classification. Archon Books.

Cita Chicago Style (17a ed.)

Swift,Lloyd H. Botanical Classifications: A Comparison of Eight Systems of Angiosperm Classification. Connecticut - EEUU: Archon Books, 1974.

Cita MLA (8a ed.)

Swift,Lloyd H. Botanical Classifications: A Comparison of Eight Systems of Angiosperm Classification. Archon Books, 1974.