APA

Schopf T. J. M., Bassett E. L., . (1973). F. A. Smitt, Marine Bryozoa, and the introduction of Darwin into Sweden. Philadelphia: American Philosophical Society.

Chicago

Schopf Thomas J M, Bassett Edward L, . 1973. F. A. Smitt, Marine Bryozoa, and the introduction of Darwin into Sweden. Philadelphia: American Philosophical Society.

Harvard

Schopf T. J. M., Bassett E. L., . (1973). F. A. Smitt, Marine Bryozoa, and the introduction of Darwin into Sweden. Philadelphia: American Philosophical Society.

MLA

Schopf Thomas J M, Bassett Edward L, . F. A. Smitt, Marine Bryozoa, and the introduction of Darwin into Sweden. Philadelphia: American Philosophical Society. 1973.