APA

Zimmer, C. (2021). Life's edge: The search for what it means to be alive.

MLA

Zimmer, Carl. Life's Edge: The Search for What It Means to Be Alive. , 2021. Print.

CHICAGO

Zimmer, Carl. 2021. Life's edge: the search for what it means to be alive.

HARVARD

ZIMMER, C. (2021). Life's edge: the search for what it means to be alive.

TURABIAN

Zimmer, Carl. Life's Edge: The Search for What It Means to Be Alive. 2021.