APA Style

Easton, Thomas A., Rischer, Carl E. (1992). FOCUS ON HUMAN BIOLOGY . Boston: HarperCollins Publishers.

Chicago Style

Easton, Thomas A., Rischer, Carl E. FOCUS ON HUMAN BIOLOGY. Boston: HarperCollins Publishers, 1992. Text.

MLA Style

Easton, Thomas A., Rischer, Carl E. FOCUS ON HUMAN BIOLOGY. Boston: HarperCollins Publishers, 1992. Text.

Turabian Style

Easton, Thomas A., Rischer, Carl E. FOCUS ON HUMAN BIOLOGY. Boston: HarperCollins Publishers, 1992. Print.