APA-ийн эшлэл(7 дахь хэвлэлт)

Simmons, G. (2004). What Darwin didn't know. Harvest House Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Simmons, Geoffrey. What Darwin Didn't Know. Eugene, OR: Harvest House Publishers, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Simmons, Geoffrey. What Darwin Didn't Know. Harvest House Publishers, 2004.