APA (7th ed.) Citation

Aponte, R. (1988). Comparison of gross motor development between United States and Puerto Rican early school-aged children. [publisher not identified].

Chicago Style (17th ed.) Citation

Aponte, Roberto. Comparison of Gross Motor Development Between United States and Puerto Rican Early School-aged Children. [Place of publication not identified]: [publisher not identified], 1988.

MLA (9th ed.) Citation

Aponte, Roberto. Comparison of Gross Motor Development Between United States and Puerto Rican Early School-aged Children. [publisher not identified], 1988.