APA-ийн эшлэл(7 дахь хэвлэлт)

Severin, T. (1997). The spice islands voyage: The quest for alfred wallace, the man who shared darwin's discovery of evolution p. AUWSF.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Severin, Tim. The Spice Islands Voyage: The Quest for Alfred Wallace, the Man Who Shared Darwin's Discovery of Evolution P. New York: AUWSF, 1997.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Severin, Tim. The Spice Islands Voyage: The Quest for Alfred Wallace, the Man Who Shared Darwin's Discovery of Evolution P. AUWSF, 1997.