Cita APA (7th ed.)

Johnson, C. E. (1968). Social and Natural Biology: Selections from Contemporary Classics. D. Van Nostrand Company.

Cita Chicago (17th ed.)

Johnson, Cecil E. Social and Natural Biology: Selections from Contemporary Classics. Princeton, N.J.: D. Van Nostrand Company, 1968.

Cita MLA (9th ed.)

Johnson, Cecil E. Social and Natural Biology: Selections from Contemporary Classics. D. Van Nostrand Company, 1968.