APA

Pengelley E. T., . (1974). Circannual clocks : annual biological rhythms: proceedings of a satellite symposium of the 140th meeting of the American Association for the Advancement of Science held in San Francisco, California, February 25, 1974. New York: Academic Press.

Chicago

Pengelley Eric T, . 1974. Circannual clocks : annual biological rhythms: proceedings of a satellite symposium of the 140th meeting of the American Association for the Advancement of Science held in San Francisco, California, February 25, 1974. New York: Academic Press.

Harvard

Pengelley E. T., . (1974). Circannual clocks : annual biological rhythms: proceedings of a satellite symposium of the 140th meeting of the American Association for the Advancement of Science held in San Francisco, California, February 25, 1974. New York: Academic Press.

MLA

Pengelley Eric T, . Circannual clocks : annual biological rhythms: proceedings of a satellite symposium of the 140th meeting of the American Association for the Advancement of Science held in San Francisco, California, February 25, 1974. New York: Academic Press. 1974.