Cita APA (7th ed.)

(1968). Biological science: Molecules to man (2nd ed.). Houghton Mifflin.

Cita Chicago (17th ed.)

Biological Science: Molecules to Man. 2nd ed. Boston: Houghton Mifflin, 1968.

Cita MLA (9th ed.)

Biological Science: Molecules to Man. 2nd ed. Houghton Mifflin, 1968.