APA Citation

Callahan, P. S. 1. -., & Callahan, P. S. 1. -. (1971). Insects and how they function. Nueva York: Holiday House.

Chicago Style Citation

Callahan, Philip S. 1923 -, and Philip S. 1923 - Callahan. Insects and How They Function. Nueva York: Holiday House, 1971.

MLA Citation

Callahan, Philip S. 1923 -, and Philip S. 1923 - Callahan. Insects and How They Function. Nueva York: Holiday House, 1971.

Warning: These citations may not always be 100% accurate.