Cita APA (7th ed.)

Lock, A. (1969). Practical canning (3a. ed.). Food Trade Press.

Cita Chicago (17th ed.)

Lock, Arthur. Practical Canning. 3a. ed. Londres: Food Trade Press, 1969.

Cita MLA (9th ed.)

Lock, Arthur. Practical Canning. 3a. ed. Food Trade Press, 1969.