Trích dẫn APA

mats Forsberg. (1990). Male silver fox: Effects on reproduction of sperm numbers photoperiod ad mellatonin. Swedish university of agricultural sciences.

Trích dẫn kiểu Chicago

mats Forsberg. Male Silver Fox: Effects on Reproduction of Sperm Numbers Photoperiod Ad Mellatonin. Swedish university of agricultural sciences, 1990.

Trích dẫn MLA

mats Forsberg. Male Silver Fox: Effects on Reproduction of Sperm Numbers Photoperiod Ad Mellatonin. Swedish university of agricultural sciences, 1990.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.