APA Format
Gordis, Leon . (). Epidemiology : Assessing the efficacy of preventive and therapeutic measures : randomized trials, ( Ket. lihat Bab. 7 ) ( halaman 131-146 ). : Philadelphia: Saunders Elsevier, 2009
MLA Format
Gordis, Leon . Epidemiology : Assessing the efficacy of preventive and therapeutic measures : randomized trials, ( Ket. lihat Bab. 7 ) ( halaman 131-146 ). : Philadelphia: Saunders Elsevier, 2009,
Australian/Harvard Format
Gordis, Leon . . Epidemiology : Assessing the efficacy of preventive and therapeutic measures : randomized trials, ( Ket. lihat Bab. 7 ) ( halaman 131-146 ). Philadelphia: Saunders Elsevier, 2009, 
Warning: These citations may not always be 100% accurate.