Cita APA (7th ed.)

CHALLENGES TO SCIENCE.. & BOLEN, M. C. [. a. (1973). Challenge to science phisical science.-- ed.2. McGraw-hill.

Cita Chicago (17th ed.)

CHALLENGES TO SCIENCE.. i Max C [et al] BOLEN. Challenge to Science Phisical Science.-- Ed.2. New York: McGraw-hill, 1973.

Cita MLA (9th ed.)

CHALLENGES TO SCIENCE.. i Max C [et al] BOLEN. Challenge to Science Phisical Science.-- Ed.2. McGraw-hill, 1973.