APA (7. basım) Alıntı

Halttum, R. E. (1957). A revised Flora of Malaya. United States Government Printing Office.

Chicago Style (17. basım) Atıf

Halttum, Richard E. A Revised Flora of Malaya. Singapore: United States Government Printing Office, 1957.

MLA (9th ed.) Atıf

Halttum, Richard E. A Revised Flora of Malaya. United States Government Printing Office, 1957.