APA

Lull R. S., . (1947). Organic evolution. New York: MacMillan.

Chicago

Lull Richard Swann, . 1947. Organic evolution. New York: MacMillan.

Harvard

Lull R. S., . (1947). Organic evolution. New York: MacMillan.

MLA

Lull Richard Swann, . Organic evolution. New York: MacMillan. 1947.