APA Style

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

Chicago Style

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

MLA Style

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

Turabian Style

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