APA

Izawa K., .Preliminary report on social changes of red howler monkeys (Alouatta seniculus). : .

Chicago

Izawa Kosei, .Preliminary report on social changes of red howler monkeys (Alouatta seniculus). : .

Harvard

Izawa K., .Preliminary report on social changes of red howler monkeys (Alouatta seniculus). : .

MLA

Izawa Kosei, .: . .