Cita APA (7th ed.)

Beatty, J. Speaking of species: Darwin's strategy / John Beatty. The Darwinian heritage : [incl. proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985).

Cita Chicago (17th ed.)

Beatty, John. "Speaking of Species: Darwin's Strategy / John Beatty." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985) .

Cita MLA (8th ed.)

Beatty, John. "Speaking of Species: Darwin's Strategy / John Beatty." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985), .