Citazione APA

C L Metcalf & R L Metcalf. (1951). Destructive and useful insects: Their habits and control. Mc Graw Hill Book company Inc.

Stile di citazione Chicago

C L Metcalf e R L Metcalf. Destructive and Useful Insects: Their Habits and Control. Mc Graw Hill Book company Inc, 1951.

Citazione MLA

C L Metcalf e R L Metcalf. Destructive and Useful Insects: Their Habits and Control. Mc Graw Hill Book company Inc, 1951.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.