Cita APA

Willman, H. A., & Willman, H. A. (1963). A 4-H handbook and lesson guide; for leades county extension agents and teachers (2. edition.). Ithaca, N.Y.: Comstock.

Citación estilo Chicago

Willman, Harold Anthony, y Harold Anthony Willman. A 4-H Handbook and Lesson Guide; for Leades County Extension Agents and Teachers. 2. edition. Ithaca, N.Y.: Comstock, 1963.

Cita MLA

Willman, Harold Anthony, y Harold Anthony Willman. A 4-H Handbook and Lesson Guide; for Leades County Extension Agents and Teachers. 2. edition. Ithaca, N.Y.: Comstock, 1963.