APA

Wheatley G. M., Hallock G. T., . (1956). Health observation of school children: a guide for helping teachers and others to observe and understand the school child in health and illness. New York: Blakiston Division, McGraw-Hill.

Chicago

Wheatley George Milholland, Hallock Grace T, . 1956. Health observation of school children: a guide for helping teachers and others to observe and understand the school child in health and illness. New York: Blakiston Division, McGraw-Hill.

Harvard

Wheatley G. M., Hallock G. T., . (1956). Health observation of school children: a guide for helping teachers and others to observe and understand the school child in health and illness. New York: Blakiston Division, McGraw-Hill.

MLA

Wheatley George Milholland, Hallock Grace T, . Health observation of school children: a guide for helping teachers and others to observe and understand the school child in health and illness. New York: Blakiston Division, McGraw-Hill. 1956.