APA (7th ed.) Citation

Ainsworth, M. D. S. (1972). [Systems for coding infant attachment and reciprocal maternal behaviors]. [publisher not identified].

Chicago Style (17th ed.) Citation

Ainsworth, Mary D. Salter. [Systems for Coding Infant Attachment and Reciprocal Maternal Behaviors]. [Place of publication not identified]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Ainsworth, Mary D. Salter. [Systems for Coding Infant Attachment and Reciprocal Maternal Behaviors]. [publisher not identified], 1972.